Solve the problem.It costs $34 per hour plus a flat fee of $20 for a plumber to make a house call. Find the total cost to have a plumber come to a house for 5 hours.
A. $685
B. $190
C. $134
D. $170
Answer: B
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Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
Solve.John and Tony start from GraysLake at the same time and head for a town 10 miles away. John walks twice as fast as Tony and arrives 3 hours before Tony. Find how fast each walks.
A. Tony's speed = 3 m/h and John's = 6 m/h.
B. Tony's speed = 
m/h and John's = 
m/h.
C. Tony's speed = 
m/h and John's = 
m/h.
D. Cannot be determined with information given
Estimate the slope of the line segment.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Solve.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 450 feet.
A. 34 mph B. 53 mph C. 13 mph D. 21 mph