Mica is trying to beat his high score on his favorite video game. He unlocks some special mini-games where he earns points for each one he completes. Before he begins playing the mini-games, Mica has 500 points. After completing 1 mini-game he has a total of 550 points. After completing 2 mini-games he has a total of 600 points, and after completing 3 mini-games he has 650 points. a. Think about the total number of points Mica gains from mini-games. Describe the pattern. b. Determine Mica's total points after he plays the next two mini-games.