1 answer:
Answer:

Step-by-step explanation:
Multiply
by 2.
Now we have this system of equations:
We can add the equations together to cancel out y.
Substitute x = 2 into the first equation and solve for y.
The solution to this system of equations is:
- or

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55*10/2=275
The area of his roof is 275
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The answer is (B) hope that helps
Answer:
28/3
Step-by-step explanation:
Answer:c
Step-by-step explanation:
c