Problem number 2 help please

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

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

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?