The Associative property of addition is being shown, because it doesn't matter the order of the terms.
Answer:
You scored 6 points per game
Step-by-step explanation:
30÷5=6
On the X-Y plane, the points p and r are on the vertical line X=x. Then the perpendicular (horizontal) line through p will have the equation Y=y. Points q on that line will have coordinates
... q(<anything>, y)
