Please help with 13,14,15 with detailed explanations. I drew the figure next to question 13 which applies to all three questions.

13. At the point labeled P in the figure, the electric field is pointing: (moline) a. To the left; b. To the right; c. Straight up; d. Straight down. 2 Mc + 2 MC 14. If the charge on the right is released, while that on the left is kept in place, the released charge will move: To the right with increasing acceleration; b. To the left with increasing acceleration; c. To the right with decreasing acceleration; d. To the left with decreasing acceleration. 15. After it has been released, the speed of the charge on the right will: Increase; b. Decrease; C. Remain the same