Add.x3y2 + 2x2y3 + 4xy + 5 and x2y3 + 8x3y2 + 2xy + 4
A. 9x3y2 + 3x2y3 + 6xy + 9
B. 7x3y2 + 3x2y3 + 6xy + 9
C. 9x3y2 + 3x2y3 + 4xy + 9
D. 2x3y2 + 10x2y3 + 6xy + 9
Answer: A
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Solve the problem.Joshua David strings tennis racquets. He is paid $1.50 for each racquet and he is charged $0.75 per rejection. Find his gross earnings for the following work days.
?
A. $478.50 B. $495.00 C. $517.50 D. $486.75
Simplify the expression.-(-(-(1)))
A. 0 B. does not exist C. 1 D. -1
Solve.Tyler and his sister arranged a party for their father's birthday. The total cost of the party was 
Tyler paid 
of the total cost and his sister paid the remainder. How much did Tyler pay?
A. $230 B. $220 C. $240 D. $235
Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation p = - 
x + 180, 0 ? x ? 1,440.What price should the company charge to maximize revenue?
A. $108 B. $90 C. $135 D. $45