Simplify
14^15 over 14^5

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Factor the expression using gcf 9b+45

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee