Find the volume.Find the volume of the right circular cylinder. Use 3.14 for ? and round to the nearest hundredth, if necessary.
A. 387.79 cm3
B. 3684.005 cm3
C. 775.58 cm3
D. 14,736.02 cm3
Answer: B
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Solve the problem.Photographic reprints cost $0.52 each at a local photo shop, or $0.44 each, plus $1.15 postage and handling, through the mail. How many reprints must a customer purchase to make it less expensive to use mail order?
A. more than 20 reprints B. more than 13 reprints C. more than 14 reprints D. more than 19 reprints
Solve the problem.A couple plans to have four children. Using a tree diagram , obtain the sample space. Then, find the probability that the family has at least one boy.
A.
B.
C. 1
D.
Use the discriminant to determine the number of real solutions.x2 + 3x - 7 = 0
A. One real solution B. No real solutions C. Two real solutions
Multiply.-9x4(-11x5 - 9x2)
A. 180x9 + 180x6 B. 99x9 - 9x2 C. 99x9 + 81x6 D. 180x4