Use the diagram given, and the following information: AB is tangent to circle R and mHD = 52° [PICTURE IS GIVEN above] :))
Please help me before tmrw Thankyou!

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 volume of this square pyramid?

Which letters from the table represent like terms? a and b b and c a and d b and d