Lines A and B are parallel. line c is perpendicular to both line a and b. which statement about lines a, b, c is NOT always true

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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