Answer:
2/3 lbs
Step-by-step explanation:
2 divided by 3=2/3=2/3
Happy learning!
Answer:

Step-by-step explanation:
I am assuming that you mean (4,−9) and (8, -3).

Hope this helps.
Let x equal the number of adult tickets sold.
X + 3X=512
(I put 3x because we know the students sold 3 times as many).
Solve for X.
X+3X=512
4X=512
4X/4=512/4
X=128
Zero's:9
Turning point:3,8
Y-intercept:2,5
Axis of sym,etry::X-axis