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 40 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 75 feet and 10-foot walls.
A. 750 quarts
B. 7.5 quarts
C. 75 quarts
D. 15 quarts
Answer: B
Mathematics
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Estimate the value of the quantity.A swimming pool has a leak. The leak is getting worse. The following table gives the leakage rate every 6 hours.
Give the upper estimate for the number of gallons lost.
A. 145.2 gallons B. 254.4 gallons C. 32.4 gallons D. 194.4 gallons
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Perform the indicated operations.28
- 5
A. 23
B. 115
C. 33
D. 23
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Find the local and absolute extreme values of the function on the given interval.
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Find the greatest common factor of the list of items.x8y2, x3y6, x8y8
A. x8y8 B. x11y6 C. x3y2 D. x19y16
Mathematics