How do i check 5p +2 = 4p - 1

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

A+b= 17, ab=70, find the value of |a-b|

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?