Can somebody help me. Will Mark brainliest.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?