Simplify by adding like terms: k^2 p^-4 y-5k^2 yp^-4 -5k^2 yp^-4

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

What is the distance between point a and b

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?