Find the measure of the missing angle

a=

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.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

What is the rate for one gallon of gasoline