How many cubes with sides that measure 1/5 foot are required to fill a rectangular container that has a length of 2 feet, a width of 2 1/5 feet, and a height of 3 3/5 feet?

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.

Answer this question! 30 points and brainliest!

Ineed i been stuck on this question since yesterday