Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The total cost of producing refrigerators in one production line is $3,600 plus $270 per unit produced.
A. If C is the total cost and x is the number of units produced, then 
B. If C is the total cost and x is the number of units produced, then 
C. If C is the total cost and x is the number of units produced, then 
D. If C is the total cost and x is the number of units produced, then 
Answer: B
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Factor any difference of two squares, or state that the polynomial is prime. Assume any variable exponents represent whole numbers.81 - 4y2
A. (9 - 2y)2 B. (9 + 2y)(9 - 2y) C. (9 + 2y)2 D. prime
Give an appropriate answer.Let
f(x) = -2 and 
g(x) = -7. Find
[f(x) + g(x)]2.
A. 5 B. 53 C. -9 D. 81
Write the objective function that describes the problem.Mrs. White wants to crochet beach hats and baby afghans for a church fund-raising bazaar. She needs 8 hours to make a hat and 2 hours to make an afghan and she has 64 hours available. She wants to make no more than 14 items and no more than 9 afghans. The bazaar will sell the hats for $18 each and the afghans for $11 each. Let x equal the number of hats sold and y equal the number of afghans sold.
A. z = 6x + 8y B. z = 11x + 18y C. z = 18x + 11y D. z = 8x + 6y
Use substitution to solve the system of equations.x + 3y = -3-2x + 4y = -4
A. (0, -1) B. (1, 0) C. Inconsistent; no solutions D. (1, -2)