Evaluate each arithmetic series described. a1= 10 d= 8 n= 11

A) 1116
B) 1120
C) 550
D) 1118

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

What value of x will make the triangles similar by the sss similarity theorem?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.