Ahairstylist charges $15 for an adult haircut and $9 for a child haircut. She wants to earn $360 dolars and cut 30 haircuts this week Create a system of equations that models the situation. Define the variables you use.

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