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 = 

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Solve the inequality, then graph the solution.f - 1 < 11

A. (-?12)

B. (-?12]

C. (12?)

D. [12?)

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Find the value of the determinant.

A. -5 B. -7 C. -1 D. 5

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Find the exact value of the expression or state that it does not exist.sin

A.
B. - 
C.
D. - 

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