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

Mathematics

You might also like to view...

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

Mathematics

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 = 

Mathematics

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)

Mathematics

Evaluate the square root. If the answer is not a real number, state so.

A.
B. not a real number
C. 7
D. 2401

Mathematics