A rectangle is drawn so that the width is 4 feet shorter than the length. The area of the rectangle is 21 square feet. Find the length of the rectangle.

Ineed with number 6 , explain how to get 1978

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points