Sophie measured a line to be 16.6 inches long. If the actual length of the line is 15.5 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

Aball is thrown at an initial height of 7 feet with an initial upward velocity at 27 ft/s. the balls height h (in feet) after t seconds is give by the following. h- 7 27t -16t^2 find the values of t if the balls height is 17ft. round your answer(s) to the nearest hundredth