7x+2 is the equation because each pizza cost 7 dollars and the y-intercept is at 2
If 
and 
are inverse proportional to one another, then for some constant volume 
we have
It takes 45 min to empty a tank containing at 300 gal/min, so the tank contains
of liquid.
If it's emptied at 500 gal/min, it would take
This is a function y=√x that was moved 2 units to the right.
y=√(x-2)
In the deck there are 13 diamonds so 13 diamonds can be paired with any other of the 12, so 13x12.... if you are too lazy to do that... then idk
A = 2 + 3a + 6
a - 3a = 2 + 6
-2a = 8
a = 8/-2
a = -4
