Find the requested measurement.The point (-2, -3) is on a circle that has center (8, -3). Find the length of the diameter of the circle.
A. 10
B. 20
C. 20.5
D. 19
Answer: B
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Solve the problem.Consider the area of the region in the first quadrant enclosed by the curve y = 
cosh 7x, the coordinate axes, and the line x = 8. This area is the same as the area of a rectangle of a length s, where s is the length of the curve from 
to 
What is the height of the rectangle?
A. 
B. 
sinh 56
C. 7
D. sinh 56
Write out the first five terms of the sequence.an = (-1)n-1(2n - 5)
A. -3, -1, 1, 3, 5 B. -3, 1, 1, -3, 5 C. -3, -9, 1, -3, 15 D. 3, -1, -1, -3, -5
Solve.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 65 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 40 feet and 10-foot walls.
A. 400 quarts B. 4 quarts C. 40 quarts D. 8 quarts
Solve the problem.Find the area A of a rectangle with length 2.1 cm and width 6.8 cm.
A. A = 28.56 cm2 B. A = 8.4 cm2 C. A = 8.9 cm2 D. A = 14.28 cm2