C - Irrational D- irrational E- Addition
The school has 156 professors and 286 lectures
Answer:
3
Step-by-step explanation:
So go down and up then look it up on the web so you can look good in it that really helps
We want to use elimination to solve
y = 0 (1)
x + y = 40 (2)
Multiply (1) by -1 to eliminate y.
-y = 0 (3)
Add (2) and (3).
x + y + (-y) = 40 + 0
x = 40
Answer: Multiply by -1.
