Help me please its hard and im like really not smart.

Determine the relationship of ab and cd given the following points

What is the measure of one interior angle of a pentagon

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work