Sombody hurry need to turn in !

what is the approximate area of a circle with a radius of 12 cm? round to the nearest hundredth.

use π≈3.14(the symbol ≈≈ means "approximately equal to".)

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

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?

Tom drove 206 miles in 3.9 hours. estimate his average speed.