The cost to replace a water pump in a car was $820. this included $375 for the pump and $89 per hour of labor. how many hours of labor was required to replace the pump.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which graph represents the linear function below? y-3=1/2(x+2)

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.