Which is the simplified form of the following expression? 7x - 9y + 4x^2 - 2x + 12y


A. 13x + 3y

B. 11x + 21y

C. 4x2 + 5x + 3y

D. 4x2 + 9x + 21y

i think its c because 7x-2x is 5x, -9y + 12y is 3y, and 4x^2 stays the same

PLEASE HELP!!!!!!

What is 2 1/2 divided by 1/3?

A. 3 1/2

B. 7 1/2

C. 7 1/6

D. 2/15

Relation or Function?

Sorry for another one! WILL GIVE BRAINLIEST!! DUE TODAY! Help please

Dose someone need help on math

What is Half of a number m increased By five

You and your family took a trip over track out that was 1.5 hours away. Which two trips could your family have taken?
PICK TWO TRIPS that would take 1.5 hours.

A. Drive 40 miles per hour between Raleigh, NC and Fayetteville, NC, which are 60 miles apart.

B. Take a train going 100 miles per hour from Rolesville, NC to Myrtle Beach, SC, which are 200 miles apart.

C. Ride a bus going 30 miles per hour to the NC State Fairgrounds, which is 45 miles from your house.

Look at the attached images to answer the question!

i need help i do not understand these questions

This year, 72 students completed projects for the science fair. This was 23 more students than last year. How many students completed projects for the science fair last year?
Im marking the first one i see the brainliest (or however you spell it bc it isnt a real worl lol)

A watermelon was estimated to weighs 7,458 grams. A scale measured the actual weight as 8,475 grams. Express the measurement error as a percentage of the actual weight.
Please Help Asap! Thank you so much!

Tell whether the events are
independent or dependent. Explain.
1.
You spin a spinner twice.
First Spin: You spin a 2.
Second Spin: You spin an odd number.
2.
Your committee is voting on the leadership team.
First Vote: You vote for a president. Second Vote: You vote for a vice president.
You spin the spinner and flip a coin. Find the
probability of the independent events both
occurring.
3.
Spinning an odd number
and flipping heads
4.
Not
spinning a 5 and flipping tails
You randomly choose one of the tiles. Without replacing the first tile, you
choose a second tile. Find the probability of the dependent event(s) both
occurring.
5.
Choosing a 6 and then a prime number
6.
Choosing two odd numbers
7.
You randomly pull two bills
from your wallet. What is
the probability they are
both $20?
You roll a number cube twice. Find the probability of the compound event.
8.
Rolling two numbers whose sum is 2
9.
Rolling an even number and then an odd number

Just 2 slope questions of math!!! please help <3 i would genuinely appreciate it

What is 437(3)+357(4)

[PICTURE ATTACHED] help please :’D


make sure to recheck your answer, i dont wanna get this wrong >_<

also you can google it if you want heheh.. but i dont think the answer will show up

I think this is my last one! Will give Brainliest! DUE TODAY!!!Will give everything good and will make smartest answer WITH WORK Brainliest.

Use the Distributive Property to simplify the expression.

8(x + 10)

What does negative 5 over 2 < −1 indicate about the positions of negative 5 over 2 and −1 on the number line? (1 point)

A. negative 5 over 2 is located on the left of 0 and −1 is located on the right of 0
B. negative 5 over 2 is located on the right of 0 and −1 is located on the left of 0
C. negative 5 over 2 is located on the left of −1
D. negative 5 over 2 is located on the right of −1

write two expersions equivalent to -5/4x-3/4

plzzzz help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

On a survey about chocolate candy, 8 people chose Snickers as their favorite candy, 12 chose Reese's, and 5 chose Hershey's. What percent of the people chose Reese's as their favorite chocolate candy?

Allen is running a marathon He would like to finish the race in under 5.5 hours He has already run 3 hours The inequality 3 + t less-than 5.5 represents the situation Which number line shows how much longer Allen can run and still meet his goal
A number line going from 0 to 3 An open circle is at 2.5. Everything to the left of the circle is shaded.
A number line going from 0 to 3 A closed circle is at 2.5. Everything to the left of the circle is shaded.
A number line going from 0 to 3 An open circle is at 2.5. Everything to the right of the circle is shaded.
A number line going from 0 to 3 A closed circle is at 2.5. Everything to the right of the circle is shaded.

Plz help with this question

PUT THEM IN ORDER SMART ONLY
Put the steps in order for adding decimals.

Reorder answers
1.Fill in any empty spaces with a zero.
Reorder answers
2.Drop the decimal down into the answer.
Reorder answers
3.Add
Reorder answers
4.Line up the decimals.

Write each phrase or sentence as an algebraic expression or equation. DO NOT use a calculator. Do not write an inequality.

1. 6 more than y

2. times a number

3. 5 less than the product of 10 and c

4. 14 more than 6 times t

5.The sum of x and y is 18

6. A number minus 12 is 7

Oh wait sorry I forgot to add a photo but heres the question again “charlie went to the grocery store to buy sugar for the batches of cookies that he is baking. He added up the sugar needed for the 4 batches and got the sum 6 1/2 cups. which expression can represent the addition Charlie did to find the total amount of sugar?”

Renting video games from Store S costs $2.50 per game plus a monthly fee of $5.00. Renting video games from Store T costs $5.00 per game with no monthly fee. The monthly cost to rent video games depends on the number of video games, v, rented. Which inequality represents the situation when the monthly cost at Store S is less than the monthly cost at Store T?

A. 2.5v + 5 < 5v

B. 2.5v + 5 = 5v

C. 7.5v < 5v

D. 7.5v = 5v

Which expression would be easier to simplify if you used the commutative property to change the order of the numbers?

A. 1/3 + 2/3 + (-1/4)
B. -10 + (-20) + 1/2
C. 30 + (-12) + 70
D. 60 + 40 + (-25)

Marco bought a new TV for his house that cost $1,500. The TV had a rebate of $350. What was Marco’s final cost for the TV after the rebate was applied?

What is the equation of the line in the graph?

The expression (3x - 5)(x + 2) is equivalent to:

F. 3x2 - 10
G. 3x2 + x + 10
H. 3x2 + x - 10
J. 3x2 + 11x - 10
K. 3x2 - 11x - 10