Answer:
12
Step-by-step explanation:
each letter can be used with each other 3 times and there are 4 letters so 12
Answer:
-9
Step-by-step explanation:

Your calculator can help with this.
Given a table, with an input (x) and output (y) , you could actually use the slope formula to get the rate of change because slope is the same thing as rate of change. If you recall, the slope formula is (y2-y1)÷(x2-x1)
Just pick two points from the chart and plug them in and that is your rate of change
I thank it is B you have to add all the tickets and times that by the the amount of money