Answer:
Last Option
Step-by-step explanation:
I agree the answer is 19.8
Y intercept is zero.
We can use the points 0,0 and 3,-4
Slope formula
-4 - 0
/
3 - 0
-4/3x is the answer
Four tickets would cost $30. If you get the price of 2 tickets ($15) then multiply it by 2 then you will get your answer ;)
AM=21
AM=3x+3
AB=8x-6
AB=2AM
AM=AB/2
AM=(8x-6)/2
AM=4x-3
3x+3=4x-3
4x-3=3+3
AM=3x+3
AM=3(6)+3
AM=18+3
AM=21