Any one who can talk me

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}