Find the slope of the polar curve at the indicated point.r = 8 cos ? - 9 sin ?, ? = ?
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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?Which is the correct set-up to solve the following?: 50 miles per hour is how many feet per second? ?
A.
?
B.
?
C.
?
D.
?b and c only
E.
? None of the above.
Mathematics
Simplify. Unless otherwise specified, assume that variables can represent any number.- 
A. Not a real number B. -25 C. -4 D. -5
Mathematics
Use trigonometric identities to solve each equation in the interval [0, 2?]3 = 2 cos2 x + 3 sin x
A. 
B. 
C. 
D. 
Mathematics
Completely factor the polynomial.5a3 + 15a
A. 5a2(a + 3) B. 5a(a2 + 3a) C. 5a(a2 + 10a) D. 5a(a2 + 3)
Mathematics