I need help please im not sure what the answer is .

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 1/2 x (6 x 4)+3 + 2 show your work

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14