Please with a, b, and c using algebra please clearly state steps and equations

Show all work, clearly indicate answer, and use correct units for full credit. Look at the configuration of charges below. Q1= 6.00 MC Q2= -8.00 HC Q3=-3.50 u C 1= 0.0250m r2= 0.0425m P Qz a) What is the net electric field (magnitude and direction) at point P b) What is the Electric Potential at point P? c) If a -3.00 HC charge was placed at point P, what would be the net force (magnitude and direction) that the Charge would feel? What Electric Potential Energy would it have