d=28g I might be wrong, but we can find this by dividing 140 by five, which equals 28.
I think it’s 5 but i’m not sure lol
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