Answer:
2^21
Step-by-step explanation:
3+18=21
-11, -1, -8 that is all of what y would =
I have done this several times and do not find that x is an integer. I get an imaginary number. Crazy as it seems, here's what I got all 3 times I did this:

. That is definitely NOT an integer!
Answer:
(x - 4)(x + 4)
Step-by-step explanation:
x² - 16
Difference of two squares
(x - 4)(x + 4)
Answer:
Look below
Step-by-step explanation:
5x-20=2x+ 13<--Equation
add 20 to both sides
5x=2x+33
subtract 2x to both sides
3x=33
divide both side by 3
x=11<--value of x
Measure of Angle FDG: 5(11)-20= 35