The lengths of the legs of a right triangle are 9 feet and 12 feet. What is the length, in feet, of the third side of the triangle?
A. 21
B. 15
C. 10.5
D. 7.9

enter the value for x that makes the equation 4x-2+3x-7 true If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 15.0 km ? Take the mass of the sun to be ms = 1.991030 kg , the gravitational constant to be G = 6.671011 Nm2/kg2 , and the free-fall acceleration at the earth's surface to be g = 9.8 m/s2 . Express your weight wstar in newtons. riverview soccer team won 10 games and drawn 2 out of 18 games so far this season. what is the probability they will lose their next game Which of the following is a fixed cost for a company that sells greeting cards online and mails the printed cards to customers? A firm has current assets that could be sold for their book value of $22 million. The book value of its fixed assets is $60 million, but they could be sold for $90 million today. The firm has total debt with a book value of $40 million, but interest rate declines have caused the market value of the debt to increase to $50 million. What is this firm's market-to-book ratio Estimate 719 274. Round each number first. 11. Which image replaces the question mark?L-As?AB.D Grandma baked 96 cookies and gave them to her grandchildren. One of the grandchildren, Cindy, receivedc fewer cookies than she would have received had all of the cookies been evenly divided among the 8grandchildren.iningHow many cookies did Cindy receive?Write your answer as an expression. Free Flight Corporation, located in Denver, Colorado, produces bicycle accessories, including bicycle helmets which requires a rigid, crushable foam. During the quarter ending June 30, the company manufactured 3,800 helmets, using 2,736 kilograms of foam. The foam cost the company $18,058. According to the standard cost card, each helmet should require 0.66 kilograms of foam, at a cost of $7.00 per kilogram. Required: 1. What is the standard quantity of kilograms of foam (SQ) that is allowed to make 3,800 helmets? 2. What is the standard materials cost allowed (SQ * SP) to make 3,800 helmets? 3. What is the materials spending variance? 4. What is the materials price variance and the materials quantity variance? (For requirements 3 and 4, indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values. Do not round intermediate calculations.) 1. Standard quantity of kilograms allowed 2. Standard cost allowed for actual output 3. Materials spending variance 4. Materials price variance Materials quantity variance A rectangular swimming pool is 15 meters long, 11- meters wide, and 4-meters deep. What is its 2 2. volume? The volume is cubic meters. Help pls, will choose brainliest! Which statement describes the best way to determine how different levels of light affect the growth of seedling plants?Choose three different light levels, and place four identical plants under each light level to observe the lights effect on multiple plants.Choose five different light levels, and place one identical plant under each of the light levels for exactly one week.Choose four different light levels, and place eight different plant types under the light levels, two under each one, and observe them every day. Choose one type of light and one type of plant, and then observe the plant for at least four weeks, measuring it each day. A multiple choice test contains 10 questions with 5 answer choices. What is the probability of correctly answering 5 questions if you guess randomly on each question? What is the probability of choosing a 6 of clubs that's also a red card from a deck of cards? Type your answer as a fraction. Geothermal electricity-generating plants produceYour answer:ash.methane.O carbon dioxide.no excess heat.no greenhouse gases. After a company celebrated its ten year anniversary, the president of the company wanted to know how long employees have been with the company. Human resources provided the president with the box plot below.Using the box plot, determine the best measures of the data.The best measure of center is the (blank), and the best measure of variability is the (blank).The number that best summarizes the data is (blank) years of service.The number that best describes how the data varies is (blank) years of service. hey guys i really need help rn bc im in a rush to get this done. im begging u if u could help me with this question an a few others ill mark brainiest. just pls help! how do filipino youths show resiliency in facing their challenges in life use preliminary in a sentence Seasons in the Southern and Northern Hemispheres occur during the same times of the year.TrueFalse