By analyzing past episodes of the quiz show, you realize that you will probably need 600 points to defeat Kimberly. You also notice that, on average, you only feel confident enough to respond to 12 of the 20 questions on a typical episode so, if you respond to only 12 questions when you're on the show, which two equations describe your winning scenario? Select all the correct answers. A.100x-200y=600

B. x+y=600

C.100x-200y=12

D. x-y=600

E. x+y=12