How many 60 degree angles does it take to make a full turn?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)