<span>∠ABC ≅ ∠DEF - given
</span><span>∠GHI ≅ ∠DEF - given
</span>∠DEF ≅ ∠GHI - <span>symmetric property
</span>∠ABC ≅<span> ∠GHI - </span><span>transitive property
</span><span>m∠ABC = m∠GHI - </span><span>definition of ≅ angles</span>
A. y - 1 = 3x + 6
Add 1
y = 3x + 7
B. 3y + 6 = x - 1
Subtract 6, then divide by 3
3y = x - 7
y = 1/3x - 7/3
C. y - 2 = 1/3x + 1
Add 2
y = 1/3x + 3
D. y + 1 = 3x - 6
Subtract 1
y = 3x - 7
When put on a graph, D passes through (2, -1)
Answer is D.
I believe that the answer is c