Solve the problem.Photography 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. none of these
B. More than 19 reprints
C. More than 20 reprints
D. More than 14 reprints
Answer: D
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Solve the problem.Refer to the figure, which shows the geographical distribution of voters in a state with 64 voters and eight districts. The voters are half Democrat and half Republican. Assume that district boundaries must follow the grid lines shown in the figure and that each district must be contiguous.
Draw boundaries expected to result in the election of five Democratic and three Republican representatives.
What will be an ideal response?
Find the volume of the solid. When appropriate, use ? ? 3.14 and round to the nearest hundredth.
A. 781.25 in.3 B. 981.25 in.3 C. 9812.50 in.3 D. 2453.13 in.3
Identify the domain and range of the relation.{(-3, -8), (1, 4), (4, 1), (8, -2)}
A. domain: {-8, 4, 1, -2} range: {-3, 1, 4, 8} B. domain: {-3, 1, 4, 8} range: {-8, 4, 1, -2}
Convert to a polar equation.y2 = 16x
A. sin2? = 16r cos ? B. r sin2? = 16 cos ? C. r2sin2? = 16 cos ? D. sin2? = 16r2cos ?