Please answer the question with proper steps

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square