Which two equations would be most appropriately solved by using the quadratic formula?
0.25x^2+0.8x-8=0
(x+8)(x+9)=0
(x−3)^2=36
5x^2+7x=15

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?