step-by-step explanation: you simply substitute 8 for a.
7(8)=56 - 4(8)=32
graph one would be alternate exterior.
graph two would be corresponding.
graph three would be alternate exterior.
graph four would be alternate interior
and lastly, graph five would be corresponding.
and to follow what direction i went, i started from left to right.
the awnser is 6.75 because i took the test
for 12 increasing...