Please answer all of the above

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?