Solve the problem. Express your answer in scientific notation, rounding as needed.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 2.9 × 103 miles per hour, to reach the sun?
A. 3.2 × 104 hr
B. 3.2 × 102 hr
C. 3.2 × 103 hr
D. 3.2 × 105 hr
Answer: A
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Write as a percent.0.53
A. 5.3% B. 530% C. 53% D. 0.053%
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) C. Local maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) D. Local minimum at x = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the highest sales?
A. Month 6 B. Month 3 C. Month 12 D. Month 8
If y varies directly as x, find the direct variation equation for the situation.y = 14 when x = 4
A. y = 
x
B. y = x + 10
C. y = 2x
D. y = 
x