Miss rivera picked 112 cookies your 28 students in her class if she passes out on her cookies how many cookies will each student receive

28/112 = 1/x

cross multiply

28x =112
x = 112/28
x = 4 cookies for each student.

Yes, two vertical lines can be complementary

I’m going to infer you said parallel.solve for yy= -1/2x+7/4lines that are parallel have the same slope, different y intercept.so we know m is -1/2then from there solve for y intercept.