Please tell me how do you simplify the expression
x^15 · y^9
over
x^8 · y^3

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

With finding limits of multi variable !