Karma wrote a multiple choice test. The scoring system worked as follows: • gain 4 points for each correct answer • lose 1 point for each incorrect answer • 0 points for unanswered question Karma received 60 points on the test a) How does the equation 4c- i=60 describe all the different combinations of correct and incorrect answers Karma could have had to get a score of 60? b) use x and y intercept to graph this equation. c)what does each intercept mean? Are both intercepts possible? Explain d) If Karma got the same number of questions correct as incorrect, how many questions did he answer on the test?​