Multiply.

A. x4y3
B. x6y4
C. - x8y3
D. - x6y4
Answer: B
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Evaluate using the order of operations.-3.9 - (2.3)2 - (-4.2)
A. -4.99 B. -13.39 C. 2.81 D. 5.59
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, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily in order to maximize the company's profit, if the profit on a VIP ring is $40 and the profit on an SST ring is $35?
A. 18 VIP and 6 SST B. 14 VIP and 10 SST C. 12 VIP and 12 SST D. 16 VIP and 8 SST
Solve the problem.Suppose $6000 is invested at 4.25% annual interest, compounded continually. (i) What will be the amount in the account in 7 years if no money is withdrawn? (ii) How long will it take for the initial principal to double? Round to the nearest tenth of a year.
A. $2294.58; (ii) 9.5 years B. (i) $8078.93; (ii) 16.3 years C. $6260.50; (ii) 25.8 years D. $6000.00; (ii) 21.6 years
Rationalize the denominator.
A.
B.
C.
D.