Who can help
please

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

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Ineed i been stuck on this question since yesterday