Simplify.-4x(7x - 7) - 3(4x + 3)
A. 28x2 - 40x - 9
B. -28x2 - 12x + 19
C. -28x2 - 40x - 9
D. -28x2 + 16x - 9
Answer: D
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Solve the absolute value inequality. Write the solution set using interval notation.8
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Factor out the GCF from the polynomial.75x + 15
A. 15(5x) B. 15(5x + 1) C. 5(15x + 3) D. 3(25x + 5)
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
A. 12 VIP and 12 SST B. 18 VIP and 6 SST C. 14 VIP and 10 SST D. 16 VIP and 8 SST