Total 52 students.
52 - 17 = 35 students left
35 - 5 = 30 students left
30 - 2 = 28 students left
Each class has 11 students that play ONE sport, which means 22 total in 2 classes. You're on your own now! It's not that hard, I'm sure you'll figure it out.
The answer would probably be the last one cuz it’s true and it has more then one thing
If x =-5 then you put -5 in place of x.
y=-5+7
y=2