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The answer would be B.
Add across : x + 6x = 7x
(x + 1) + (x + 5) = 2x + 6
So you get 7x / 2x + 6
Combine like terms: variables and constants:
Variables: 2m+3m=5m
Constants: -5-4+2=-7
Now add these together: 5m-7 this is the result in simplest form
Answer:
1)
°
2)
°
Step-by-step explanation:
1)
As these two angles are supplementary (They add together to equal 180°) we can setup the equation and solve for x.

2)
Again, these two angles are supplementary we can setup the equation and solve for x

6x11=66ft
3x14=42ft
Add the answers together
42+66
= 108 squared feet