If y varies directly as x, find the direct variation equation for the situation.y = 36 when x = 32
A. y = 4x
B. y = 
x
C. y = x + 4
D. y = 
x
Answer: D
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Evaluate the surface integral of the function g over the surface S.G(x, y, z) = 
; S is the surface of the parabolic cylinder 10y2 + 5z = 15 bounded by the planes 
x = 1, y = 0, and z = 0
A. 
B. 
C. 
D. 
Provide an appropriate response.Change 0.45° to equivalent minutes and seconds. Round to the nearest second if necessary.
A. 27' B. 1,620' C. 105' D. 54'
Solve the problem. Use 3.14 for ?, if necessary.Find the perimeter. Approximate the result to the nearest tenth.
A. 172.5 m B. 108.3 m C. 136.5 m D. 96.5 m
Solve the problem.The number of mice in an old barn after the cats are removed can be roughly estimated with the following function: 
where y is the number of mice and x is the number of weeks since a cat lived in the barn. Predict the number of mice there will be in ten weeks if you get rid of the cat in the barn.
A. 14 mice B. 16 mice C. 15 mice D. 21 mice