Solve the problem.A cubic salt crystal expands by accumulation on all sides. As it expands outward find the rate of change of its volume with respect to the length of an edge when the edge is 
A. 0.24 mm3/mm
B. 5.55 mm3/mm
C. 55.47 mm3/mm
D. 0.5547 mm3/mm
Answer: D
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Solve for x using an equivalent exponential expression.Find the area of the skating rink. Round to the nearest tenth.
A. 1,308 sq yd B. 654 sq yd C. 994 sq yd D. 968 sq yd
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
The graphs of two equations are shown. Use the intersection-of-graphs method to identify the solution to both equations.Line A: x + y = 6Line B: x - y = 4
A. (5, 1) B. (1, 5) C. (4, 6) D. (6, 4)
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.8x2 - 56x + 98
A. 2(2x + 7)(2x - 7) B. 2(2x - 7)2 C. 2(2x + 7)2 D. -4(2x - 7)2