How far is it from one barn door to the other? round your answer to the nearest tenth.

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 measure of ac? 5 units 13 units 26 units 39 units

Three coins are flipped. what is the probability that there will be at least two tails?