Pls help!! The area of a picture is 100 square inches. The length is 4 times the width. Find the length and width of the picture.

length =
width =

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.