Evaluate the integral.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r = 
A. 4x - 9y = 1
B. 
= 1
C. 4y - 9x = 1
D. 
+ 
= 1
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Solve the problem.Find the average height of the paraboloid 
above the disk 
in the 
.
A. 
B. 
C. 
D. 
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Write the equation for the plane.The plane through the point P(-7, -6, 3) and normal to n = 
.
A. -7x - 6y + 3z = -50 B. 2x + 7y + 2z = -50 C. -2x - 7y - 2z = -50 D. 7x + 6y - 3z = -50
Mathematics
Use a calculator to find the acute angle ? (to the nearest tenth of a degree) that satisfies the equation.tan ? = 0.53383945
A. 208.1° B. 331.9° C. 28.1° D. 61.9°
Mathematics