Solve the problem.Police use a formula s = S 
, where S is the test-car speed (mph) and L is the test-skid length (feet), to find the actual speed, s, in an accident which left a skid mark of length x feet. Find the actual speed (to the nearest tenth) when S = 63 mph, x = 150 ft, L = 100 ft.
A. 113.0 mph
B. 51.7 mph
C. 77.2 mph
D. 94.5 mph
Answer: C
Mathematics
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Divide. Write your answer in lowest terms.- 
÷ 
A. 
B. - 
C. 
D. 
Mathematics
Simplify the rational expression.
A. 3x2 B. 3x C. 10 D. 10x2
Mathematics
Solve the problem. Express your answer in scientific notation, rounding as needed.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 sec B. 7.6 × 103 sec C. 7.6 × 102 min D. 76 sec
Mathematics
Find the domain and range.{(x, y) 
}
A. D = [0, ?); R = [0, 7] B. D = (-?, ?); R = {7} C. D = (-?, ?); R = {1} D. D = (-?, ?); R = (-?, ?)
Mathematics