Patrick turned on his air conditioning and the temperature in his apartment decreased 4 degrees. Write an integer to represent the change in temperature.

Could answer every question with steps

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.

True or false look at the picture pls : /