Determine whether the given differential equation is exact. If it is exact, solve it. (If it is not exact, enter NOT.) x2y3 − 1 1 + 9x2 dx dy + x3y2 = 0

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.