Probability can someone explain to me how u got the andrew so i can learn from it

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?

Factor the following expression completely 6x^11-24x^7

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?