This is how you answer number 15 and 16
The answer would be y = 1/3x - 1. Your y-intercept is -1 and your slope is 1/3x. I hope this helps love! :)
Andrew answered 34 questions correctly.
I got the answer by divided the 85% by 100% (100% because it's the total percentage.) I received 0.85 when dividing that. Then, I took the 0.85 and divided it by the total of 40 questions, and that gave me the answer of 34.
The square root of 16 is 4