Solve the problem.Find the average rate for an athlete who runs 400 m in 45.81 seconds. Give your answer in meters per second and round to the nearest hundredth.
A. 18,324 meters per second
B. 8.73 meters per second
C. 10.91 meters per second
D. 0.11 meters per second
Answer: B
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Graph the function by hand, not by plotting points, but by starting with the graph of one of the standard functions and then applying the appropriate transformations.
Solve the problem.Find the measure of an angle if its supplement measures 28° less than 3 times its complement.
A. 159° B. 31° C. 79.5° D. 15°
Use proportions to solve the problem.If a spring stretches 0.8 meter when a 4-kilogram weight is attached to it, how much will it stretch when a 6-kilogram weight is attached to it?
A. 4.2 m B. 1.2 m C. 0.2 m D. 3.2 m
An open box is to be made from a square piece of cardboard, 33 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). Determine the function, V, in terms of x, that represents the volume of the box.
A. 
B. 
C. 
D. 
E. 