Determine the constant of variation for the stated condition.y varies directly as x2, and y = 50 when x = 5.
A. k = 
B. k = 50
C. k = 45
D. k = 2
Answer: D
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Solve the problem.Suppose that candidates A and B have moderate political positions, while candidate C is quite conservative. Voter opinions about the candidates are as follows:27% want A as their first choice, but would also approve of B.28% want B as their first choice, but would also approve of A.2% want B as their first choice, and approve of neither A nor C.43% want C as their first choice, and approve of neither A nor B.Which candidate wins by an approval vote?
A. B B. There is a tie. C. C D. A
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by d = 1.2
, where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 11.5 miles?
A. 96 ft B. 92 ft C. 158 ft D. 132 ft
Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.1,000,000
A. 1 × 107 B. 1 × 104 C. 1 × 106 D. 1 × 105