Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain gravel road is 0.24 and a car skidded 350 feet, find the speed of the car, to the nearest mile per hour.
A. 275 mph
B. 50 mph
C. 2,520 mph
D. 102 mph
Answer: B
Mathematics
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Is the function graphed one-to-one?
A. Yes B. No
Mathematics
Solve.Find the length of the shorter leg of a right triangle if the longer leg is 24 meters and the hypotenuse is 6 more than twice the shorter leg.
A. 18 m B. 10 m C. 17 m D. 9 m
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. -x3
B. x9
C. 
D. 
Mathematics
Determine the area of the triangle. If necessary, round the answer to two decimal places. 
A. 4.79 B. 9.58 C. 13.16 D. 19.15
Mathematics