An envelope is 6 inches wide, and it measures 9 inches along the diagonal. How tall is the envelope? If necessary, round to the nearest tenth.

What is the percent of increase for a population that changed from 438,000 to 561,000

On a piece of paper graph f(x)=5•(0.4)^x

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?