Solve the system.
x = y + 11
2x + y = -2

a. (-13,2)
b. (0,-11)
c. (3,-8)
d. no solution

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

What term makes it inconsistent y=2x - 4 ?

What is the 12th term of b(n)=-4-2(n-1)