Which of the following represents a rotation

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 celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

The area of a circle is equal to 1 dm². find the radius of the circle.