What caused the Mongols to lose the battle at Ain Jalut? *

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

How do i do this activity, is appreciated