Simplify (n4)8 the 4 and 8 are exponents

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

Witch sequence shows a pattern where each term is 1.5 times the previous term

Jamie has 7/10 of a pound of chicken to cook for dinner if she's going to put the chicken in between three people how much chicken will each person get