Solve the variation problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 65 feet and 8-foot walls.
A. 52 quarts
B. 520 quarts
C. 10.4 quarts
D. 5.2 quarts
Answer: D
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Solve the problem. Round to the nearest hundredth, if necessary.A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 240 and a standard deviation of 85. If an applicant is randomly selected, find the percentage of applicants with a rating that is between 190 and 265.
A. 61.41% B. 5.89% C. 27.76% D. 33.65%
Multiply:
3a2 a 6ac2 10ac4 a. ÄÄÄ ð Ä c. ÄÄÄÄ ð ÄÄÄÄ 2 b 5a 4bc 4xy 5x2 2x 3xz b. ÄÄÄ ð ÄÄÄ d. ÄÄÄ ð ÄÄÄ 3x 2y 7y2 5xy
Verify the identity.sec(2?)= 
What will be an ideal response?
Solve the compound inequality. Write the solution set using interval notation and graph it.7 < -2x + 3 ? 15 
A. (2, 6]
B. [-6, -2)
C. [2, 6)
D. (-6, -2]