An engineer is testing an experimental engine for its efficiency. The engineer runs the

engine

under load and measures its output at intervals of thours. At the beginning of the test the

engine was outputting 2900 watts. At the first interval the engine was down to 2892.75

watts. Write an exponential decay formula to model this situation.

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in