BRAINLIEST IF CORRECT

What is the purpose of rhetoric? a + b = 300 pls help i cant find out the answer Find the value of x please. i keep getting this Q wrong can someone help me solve it :) Simply the following ratio 1000:540:780 what's the easiest way to answer how I know the answer pls? The function of f(x) = 3x + 2 has a domain of -3 < x < 5. What is the domain of f-1(x)? 1. Deirdre has one hour this afternoon in which she can either practice the piano for the upcoming school concert, work atthe library for $7 per hour, or babysit her neighbor's son for $10 per hour. Deirdre chooses to practice the piano, butif she hadn't chosen to practice the piano, she would have chosen to babysit over working at the library. What is theopportunity cost of Deirdre's decisionsA. The value gained from practicing the piano for an hour.B. The value of babysitting her neighbor's son for an hour.C. The value of working at the library for an hour.D. The value of babysitting her neighbor's son and working at the library for an hour. Compare and contrast mental health and emotional health. The rectangular ground floor of a building has a perimeter of 780 ft. The length is 200 ft more than the width. Find the length and the width. The length is ___ and the width is ___ A student is examining a chemical reaction the student notes that the reaction requires 7.14 kcal mol energy per biomlecule synthesized the reaction itself produces 21.42 kcal mol energy the sutdent argues this is enough energy to make 3 biomecules. What error has the student made in the analysis? a. The studentiras not remembered the Second Law of Thermodynamics. b. The students has not remembered the First Law of Thermodynamics. c. The student has made a simple calculation error d. The student has made a conversion error Help pleasee! I need to get this right. The nth term of a sequence is 5n.Work out the 10th term of this sequence. Edison's Lights makes light bulbs. The company is currently producing well below its full capacity. Lamp Land has approached Edison's Lights with an offer to buy 20,000 light bulbs at $0.75 each. Edison;s Lights sells its light bulbs wholesale for $0.85 each; the average cost per unit is $0.83, of which $0.12 is fixed costs. If Edison's Lights were to accept Lamp Land's offer, what would be the increase in Edison's Lights' operating profits? Completa el espacio en blanco con la mejor respuesta.Voy a comprar unos ________ en Mxico.recuerdospiscinasvuelospasajeros Each Taxonomy (category) gets less and less specific as they go further down the list.A. TrueB. False 1. Find 3 rational numbers between 1//3 and 1/5 nobody can do it.The passive form of sentence is . It_______________ a.hasn't be done b.cannot be done c.couldnot be done d.cannot be done by nobody Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.Solve the following equation.U + 2 = 4 The following table shows the probability of rolling the numbers 1 through 7on a fair 7-sided die.1234567P(X) 1/71/71/71/71/71/71/7What is the standard deviation of the random variable X, "the number thatcomes up on the die"?A. 1.708OB. 3.745O C. 2.917D. 3.5E. 2.0