Solve for the specified variable. Assume that all other variables are nonzero.L = 2?rh + 2?r2; for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: C
Mathematics
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Make the required change in the given equation.r = 6 to spherical coordinates
A. ? = 6 csc ?
B. ?2(1 - cos ?) = 36
C. cos ? = 
D. ? = 6 sin ?
Mathematics
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.tan 
A. 
B. -
C. - 
D. 
Mathematics
Use synthetic division to divide. (2x3 + x2 - 5x + 2) ÷ (x + 5)
A. 2x2 - 9x - 40 + 
B. 2x2 - 9x + 40 + 
C. 2x2 - 9x + 40 + 
D. 2x2 + 11x + 10 + 
Mathematics
Graph the hyperbola.y2 - 
= 1
A. 
B. 
C. 
D. 
Mathematics