The area of this rectangle Is 257 1/4 in.². Find side length W. ( L= 10 1/2 in.)

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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)