What’s 1+1 (worth 100 points)

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.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?