Solve the problem.Solve S = 
?r2 + (r + 9)h for r by writing it in the form ar2 + br + c = 0 and then using the quadratic formula..
A. r = 
B. r = 
C. r = 
D. r = 
Answer: C
Mathematics
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A. 
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A. 72° B. 1° C. 21° D. 41°
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Determine the truth value for the compound statement given that p is a true statement, q is a false statement, and r is a false statement. ~p ? (q ? ~r)
A. True B. False
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Graph the polar equation.r = 5 - cos ?
A. 
B. 
C. 
D. 
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