Can someone drop there snap to help me with algebra please :( I have been struggling and can use some help. Have a good day

The table respent two linear functions the equation respented by the first tables is given

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170