Find the slope of the line which goes through the given points. a A(2,4) and B(4,9)

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.

What statement is true? 2x^2-9x+2=-1

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625