The formula p=2l+2w solve for w not l

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.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Find the value of x for which the lines are parallel.