Solve the formula for the indicated variable.S = 2?rh + 2?r2 for h
A. h = 
- 1
B. h = 
C. h = 2?(S - r)
D. h = S - r
Answer: B
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Solve the absolute value equation.|x + 4| = 9
A. {-5} B. {13, 5} C. {-13, 5} D. ?
Solve the problem.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula 
How high above the ground must you be to see 55 kilometers. (Round to the nearest tenth of a meter.)
A. 246.9 m B. 864.3 m C. 15.7 m D. 26 m
Identify the degree and leading coefficient of the polynomial.f(x) = -10x3 + 9 - 2x4 + x9 - 15x2
A. Degree: 3; leading coefficient: -10 B. Degree: 9; leading coefficient: 1 C. Degree: 4; leading coefficient: -2 D. Degree: 9; leading coefficient: -10
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.P = 2L + 2W for W = 5, L = 3
A. P = 13 B. P = 19 C. P = 16 D. P = 5