Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Answer: B
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Solve.A 59-kg skateboarder on a 3-kg board starts coasting on level ground at 
. Let k = 3.2 kg/sec. About how far will the skater coast before reaching a complete stop?
A. 135.63 m B. 387.19 m C. 3964.80 m D. 80.91 m
For the compound inequality, give the solution set in both interval and graph forms. 6x + 10 ? -2 or 6x + 10 ? 22
A. [-2, 2]
B. (-?, 2]
C. [-2, ?)
D. (-?, -2] ? [2, ?)
Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 9 above is called the 
.
A. subtrahend B. difference C. addend D. minuend
Solve the problem.An open box is to be constructed from a square sheet of plastic by removing a square of side 4 inches from each corner, and then turning up the sides. If the box must have a volume of 1,600 cubic inches, find the length of one side of the open box.
A. 19 in. B. 28 in. C. 24 in. D. 20 in.