Convert to rectangular coordinates.(-8, ?)
A. (0, 8)
B. (-8, 0)
C. (0, -8)
D. (8, 0)
Answer: D
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?Out of 2,300 people interviewed for the survey, 1400 approved of the major's job performance. If 
of those surveyed had no opinion on the major's performance, what fraction of those surveyed disapproved of the major's performance?
A.
?
B.
?
C.
?
D.
?
E.
?
Solve the problem.Find the center of mass of the region of constant density bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 1
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 3
Simplify the expression.
?
?
Write all answers without using negative exponents. Assume that all variables represent positive numbers.
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A wheel with a 24-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 20 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 45.7° B. 49.7° C. 43.7° D. 47.7°