Which is the equation for the nth term of the geometric sequence -2, 8, -32, ?
(F. BF.2)
A. an=-2 (4)"
B. an= 4(-2)"
C. an= -2 (4)"
D. an= -2(-4)"-1

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.

Standard deviation of 19,29,21,22,23

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30