Step-by-step explanation:
use the FOIL method
A technique for distributing two binomials. The letters FOIL stand for First, Outer, Inner, Last. First means multiply the terms which occur first in each binomial. Then Outer means multiply the outermost terms in the product."
Answer:
16
x = 122
x = 122 because of alternate interior angles
72°
180-3x=2x
5x=180
x=36
Angle CBE = 2(36) = 72