Solve the problem.The cost, c, in dollars of car rental is 8 + 
m, where m is the number of miles driven. Graph the equation and use the graph to estimate the cost of car rental if the number of miles driven is 23.
A. About 14 dollars
B. About 10 dollars
C. About 25 dollars
D. About 19 dollars
Answer: A
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Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.The outfield wall in a baseball park is in the shape of a quarter circle. If the radius of the circle is 8 ft, how long is the wall?
A. 25.1 ft B. 10.6 ft C. 12.6 ft D. 6.3 ft
Solve the problem.You have 136 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.
A. 68 ft by 68 ft B. 68 ft by 17 ft C. 36 ft by 32 ft D. 34 ft by 34 ft
Multiply.(x - 5y)(5x + 3y)
A. x2 - 22xy - 22y2 B. 5x2 - 22xy - 22y2 C. 5x2 - 22xy - 15y2 D. x2 - 22xy - 15y2
Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on wet, level pavement can be approximated by D = 
x2. If the braking distance is 45 feet, estimate the speed of the car. If necessary, round to the nearest mile per hour.
A. 7 mph B. 20 mph C. 405 mph D. 5 mph