Solve the problem.The length of a rectangular room is 8 feet longer than twice its width. Its perimeter is 136 feet. Find the dimensions of the room (length and width).
A. width: 25 ft; length: 58 ft
B. width: 30 ft; length: 38 ft
C. width: 40 ft; length: 96 ft
D. width: 20 ft; length: 48 ft
Answer: D
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Write the expression using exponential notation. Then identify the base and the exponent.(-3x) ? (-3x) ? (-3x) ? (-3x)
A. -3x4 base: -3x exponent: 4 B. -3x4 base: 3x exponent: 4 C. (-3x)4 base: 3x exponent: 4 D. (-3x)4 base: -3x exponent: 4
Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 2 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Factor completely. If the polynomial is prime, then state this as your answer.10a3 + 15a2b - 8ab2 - 12b3
A. (5a2 - 4b)(2a + 3b) B. (5a2 - 4b2)(2a + 3b) C. (10a2 - 4b2)(a + 3b) D. (5a2 + 4b2)(2a - 3b)
Evaluate the square root. If the answer is not a real number, state so.
A. 
B. not a real number
C. 7
D. 2401