Answer:
9
Step-by-step explanation:
when you subtract a negative, you are basically adding. 2+7=9
Subtract C in both sides:
2c + 1 = 1
Subtract 1 on both sides
2c = 0
The solution is:
x = 0
Hope this helped
Answer:
28cm
Step-by-step explanation:
A=a+b
2h=4+10
2·4= 28cm
I have no idea what figure you are talking about, but to make any figure rotate 90 counter - clockwise you would make the x value a negative like ( 1, 1) would become
( -1, 1)