You apparently began copying in the middle of the problem,
because ALL dimensions are missing from your question.
Answer:
80in^2
Step-by-step explanation:
3*12=36
3*12=36
4*2=8
36+36+8=80
Answer:6a+9
Step-by-step explanation:
You cant combine a number with a variable that doesn’t have a variable
The answe is on the link i put below it’s a file! hopefully it helps
Answer:
y=2
Step-by-step explanation:
-(3y+2) -(-2y-4)=0
Distribute the minus signs
-3y -2 +2y +4 = 0
Combine like terms
-y +2 = 0
Add y to each side
-y+y +2 = 0+y
2=y
Check
-(3*2+2) -( -2*2-4) =0
-(6+2) -(-4-4)=0
-8 - (-8) =0
-8+8 =0
0=0