-2+5=3
And is a word used for addition. For example 20 and 6 is 26.
Number of cups you have / number of friends to share it between = 6/8
You can simplify 6/8 by dividing both the numerator and the denominator by 2.
6/8 = 3/4 or 0.75 of a cup
Graph B
Quadratic functions tend to portray a parabola (either an U shape or an opposite down U shape)