The answer is 8 because 2x2x2=8
Answer:
DE=6
Step-by-step explanation:
DE+EF=DF
9x-12+x+10=18
10x-2=18
10x=18+2
x=20/2=10
DE=9x-12 ⇒ 9(2)-12=18-12=6
DE=6
Answer:
D
Step-by-step explanation:
On the X side they add 2 every time to reach the next number needed. For example if it was to keep going the nect x would be 13
2x - 4y = 10
7x - 9y = 12
_________
9x - 5y = 2
I'm not sure really, but I think it's A. I'm not truly sure.