Answer:
Hi. I am a math teacher. Your correct answer is 210. You're welcome!
Answer:
It'd be easist if one of the variables was by itself
Step-by-step explanation:
I.E: y=2x+4 and 2y+x=23
Answer:
its B
2×x=2x
(x+1)×(x-1)=x²-x+x-1=x²-1
Answer:
4-n
Step-by-step explanation:
You have 4
and you want to decrease it by n, so take away n from 4 : 4-n
Answer:
A is 100%
B is 50%
C is 33.333%
D is 50%
E is 200%
F is 66.666
Step-by-step explanation: