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 0.26 and a car skidded 340 feet, find the speed of the car, to the nearest mile per hour.
A. 282 mph
B. 2652 mph
C. 51 mph
D. 101 mph
Answer: C
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Write the phrase as a mathematical expression. Use x as the variable.Some number divided by 59
A. 59x
B. 59 - x
C. 
D. 59 + x
Solve the problem.Find the total area of the ends of the garage.
A. 390 ft2 B. 157.5 ft2 C. 280 ft2 D. 315 ft2
Solve.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 11-kg object stretches a spring 85 cm, find the distance when the weight is 21-kg. Round your answer to the nearest whole centimeter.
A. 117 cm B. 8 cm C. 162 cm D. 3 cm
Find the center (h, k) and radius r of the circle. Graph the circle.(x + 5)2 + (y - 1)2 = 4
A. (h, k) = (5, - 1); r = 2
B. (h, k) = (-5, 1); r = 2
C. (h, k) = (-5, 1); r = 4
D. (h, k) = (5, - 1); r = 4