Solve the problem.Solve S = 
?r2 + (r + 1)h for r.
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
Mathematics
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Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 4 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics
Solve the inequality, then graph the solution.f - 1 < 11
A. (-?, 12)
B. (-?, 12]
C. (12, ?)
D. [12, ?)
Mathematics
Find the value of the determinant.
A. -5 B. -7 C. -1 D. 5
Mathematics
Find the exact value of the expression or state that it does not exist.sin
A. 
B. - 
C. 
D. - 
Mathematics