Estimate the answer by using front end rounding.
A. 150
B. 200
C. 250
D. 225
Answer: B
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Provide an appropriate response.Using the markup formula M = S - C, find the selling price (S) if the markup (M) is $21.50 and the cost (C) is $58.
A. $79.50 B. $36.50 C. $3.62 D. $3.70
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 0.27 and a car skidded 340 feet, find the speed of the car, to the nearest mile per hour.
A. 287 mph B. 52 mph C. 2754 mph D. 101 mph
Use algebraic and/or graphical methods to solve the inequality.(x + 10)(x2 - 49) > 0
A. -10 < x < -7 or x > 7 B. x < -7 or x > 7 C. -10 < x < 7 D. x < 7 or 7 < x < 10
Solve the problem.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the water of the earth. What is the effect on the weight when the distance is multiplied by 3?
A. The weight is multiplied by 3. B. The weight is divided by 3. C. The weight is multiplied by 9. D. The weight is divided by 9.