Which is greater 0.95 or 3/4

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

Plz hurry evaluate the expression a+b where a=8 and b=19

What is the sum of the first 8 terms of the geometric series