Answer:
im pretty sure it's c
Step-by-step explanation:
12 will fit in the box for number 1
These are alternate interior angles.
you would set them equal to eachother and solve for x.
10x=9x+7
subtract 9x from 10x.
x=7
the answers are bolded.
I hope this helps
9/12 is the answer, you can't simply then down anymore
