Find the greatest common factor of the following monomials 49a4b3 21a4b5

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.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?