The length of a rectangle is 4ft. greater than the width. If each dimension is increased by 3, the new area will be 45 square feet. Find the dimension of the original rectangle.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which one is true about the hexagons ?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?