Identify the missing factors:

d) 20 = (4) (?)

e) -14x = (7)(?)

f) x3 =x2 (?)

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