A real estate agent has an appointment to show a house to a couple who lives out of town. It will take the couple 2½ hours to drive to the house, but the real estate agent can get there in 45 minutes.
If the couple left at 15 P.M., at what time should the real estate agent leave to arrive at the house at the same time?

In the diagram below, ABCD is a rectangle, and BE = BC

What is the measure, in degrees, of angle AEC?

In a shipment of 400 computer chips, were found to be satisfactory. How many computer chips in the shipment were found to be satisfactory?

Exhibit.

During which year did the height of the tree first exceed 3 meters?

City Commuter Airplane Service is considering the purchase of another airplane for its fleet. The cruising speeds of the two choices are shown in the graph below.

In miles, how much FARTHER can plane A travel in 3 hours than plane B can travel in the same amount of time?