Find the equivalent expression using the same bases (18*40)⁹

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.

Do 12/14 and 8/10 have the same value? explain your answer.

Answer this question, only if you know the answer. 30 points and brainliest!