Use recurrence relation

sin⁴x+cos⁴x≥1/2

27 is what percent of 108? 27 is % of 108

What is the value of x in the following equation? -3x-2=2x+8

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