Solve the problem.A rectangular piece of cardboard measuring 15 inches by 29 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 3.15 in.
B. 23.04 in.
C. 11.52 in.
D. 13.79 in.
Answer: A
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Solve the problem.If 
, ?P = 45°, and ?Q = 48°, find the measure of angle x.
A. 87° B. 48° C. 45° D. 93°
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 1000 CDsApproximately how many fewer CDs will be sold in 2000 than in 2002?
A. 4000 CDs B. 6000 CDs C. 5000 CDs D. 4 CDs
Determine the size of the sample space for the experiment described.A box contains 2 blue cards numbered 1 through 2, and 3 green cards numbered 1 through 3. State the number of elements in the sample space of picking a blue card followed by a green card.
A. n(S) = 6 B. n(S) = 12 C. n(S) = 7 D. n(S) = 5
Write the statements Sk and Sk+1.Sn: 1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?