Y=X+4 Which line do I put my dot on the Y axis(Going up) Or the X axis going(Horizontally) This is slope intercept form btw give as much context as you can thank you!!!

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

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?

If i have one apple and give you the apple, how many apples do i have?