prove that the diagonals of a rectangle bisect each other.
the midpoint of ac is

Write a corresponding real world problem to represent 2x - 125=400

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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?