Answer the question or solve the problem.Jesse forgot in which chapter she has math homework. She knows it is within chapters 3 to 7 and deals with exponents. She knows that her homework is not from chapter 3. Last month they worked on chapter 4 so they're at least two chapters ahead by now. The final will not be for another month. She estimates that they do two chapters a month and the book has 8 chapters. When the final comes, they will have just finished the entire book. Which chapter should Jesse look in to do the homework assignment?
A. Chapter 4
B. Chapter 5
C. Chapter 7
D. Chapter 6
Answer: D
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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.x - y + z = 1x + y + z = -1x + y - z = 9
A. (5, -5, -1) B. (-5, 5, -1) C. (5, -1, -5) D. No solution
Write the expression as the sine, cosine, or tangent of an angle.
A. tan 54 B. tan 81° C. tan 40.5° D. tan 45°
Write the decimal as a percent.0.14
A. 140% B. 14% C. 1.4% D. 0.014%
Solve the problem.A toilet manufacturer has decided to come out with a new and improved toilet. The fixed cost for the production of this new toilet line is $16,600 and the variable costs are $62 per toilet. The company expects to sell the toilets for $157. Formulate a function C(x) for the total cost of producing x new toilets and a function R(x) for the total revenue generated from the sales of x toilets.
A. C(x) = 16,662; R(x) = 157 B. C(x) = 16600 + 157x; R(x) = 62x C. C(x) = 16600 + 62x; R(x) = 157x D. C(x) = 62x; R(x) = 157x