25 points for 13, 14 and 15! you so much in advance!

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

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

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)