Determine the measures of all unknown angles to the nearest hundredth

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

If you could answer these your a life saver

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=