Answer:
The answer is the first one. Inside the absolute value symbols it is negative but absolute value answers are always positive. Instead of -30 the answer is 30.
Perimeter- 14x+6
Just add al the sides up like normal
Area- 12x^2+9x
Multiply the length and width
C)
Perimeter- 118
Area- 840
I’m pretty sure these are right
Answer:
Step-by-step explanation:
Answer:
subtract 9 on both sides.
Step-by-step explanation:
-5m+9=12 --> -5m=7