Solve the problem.A force of 627 lb is required to pull a boat up a ramp inclined at 23° with the horizontal. How much does the boat weigh?
A. 2182 lb
B. 604 lb
C. 1605 lb
D. 577 lb
Answer: C
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; 0 ? x ? 1, 1 ? y ? 3
A. 38 B. 26 C. 28 D. 36
Solve the problem.A block hanging from a spring is free to oscillate. If a 1-kg block attached to the spring is given a downward velocity 
from a 
below its resting position, then at any time t in seconds its position in meters is given by 
Find the maximum distance that the block travels from its resting position.
A. 1.06 m
B. 
m
C. 0.53 m
D. 2
m
Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?
A. 23 in. B. 69 in. C. 138 in. D. 46 in.
Subtract.-10 - 21
A. -31 B. 11 C. 31 D. -11