Question

#23 please!!! Thanks

Answer 1

`\text{gcf}(x^2y^2,xy^3)=xy^2\\\\ xy^2=45\\`

45|3
15|3
5|5
1


`xy^2=3^2\cdot5`

Since x and y are both positive integers, then there's only one possible solution to the above -
`x=5,y=3`

So E.