Add or subtract terms whenever possible.y
- 
A. -2y
B. 3y
- 54
C. y
D. (y + 1)
Answer: A
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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cone with r = 9 cm, h = 5 cm(Use the formula S = ?r 
+ ?r2.)
A. 254.3 cm2 B. 78.5 cm2 C. 545.3 cm2 D. 141.3 cm2
Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 
A. Decreasing -? < x < 0
Increasing 0 < x < ?
B. Increasing -? < x < 0 and 0 < x < ?
C. Decreasing -? < x < 0 and 0 < x < ?
D. Increasing -? < x < 0
Decreasing 0 < x < ?
Solve the problems.A 6-ft. board is cut into 2 pieces so that one piece is 2 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.
A. shorter piece: 16 ft; longer piece: 18 ft B. shorter piece: 3 ft; longer piece: 18 ft C. shorter piece: 1 ft; longer piece: 5 ft D. shorter piece: 6 ft; longer piece: 20 ft
List the four steps in the problem-solving process first introduced by George Polya and employed in all the problem-solving strategies.
Write your answers concisely and completely. Feel free to use figures and/or tables to illustrate the points you are making.