Please help me with the questions please ASAP

An equation where variables are used to represent known values—function notation true or false

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

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought