Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.6x2 + 4y x = 3, y = 7
A. 82
B. 546
C. 352
D. 306
Answer: A
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Factor completely.32x2 + 80xy + 50y2
A. 2(4x + 5y)2 B. 2(16x2 + 40xy + 25y) C. (8x + 10y)(4x + 5y) D. 2(4x - 5y)(4x + 5y)
Provide an appropriate response.Decide whether the elimination method or the substitution method involves the least amount of work. Do not solve.x + 2y = 0x - 2y = 24
A. Elimination B. Substitution
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The Fenner family paid 29% of the purchase price of a $208,000 home as a down payment. Determine the amount of the down payment.
A. $603 B. $7172 C. $6032 D. $60,320
Solve the problem.The profit made when t units are sold, t > 0, is given by P(t) = t2 - 32t + 252. Determine the number of units to be sold in order for 
(a loss is taken).
A. t > 0 B. 14 < t < 18 C. 0 < t < 14 or t > 18 D. t = 14 or t = 18