Answer:
8
Step-by-step explanation:
To find the mean, or average of a data set, add all the values together, then divide by the number of values.
The data set is: 6,7,9,9,9
1. Add all the values
Add 6,7,9,9 and 9
6+7+9+9+9
40
2. Divide by the number of values
Count how many numbers are in the data set. In this case, there are 5 numbers.
Divide 40 by 5.
40/5
8
The mean of the data set is 8.
4644. 1032x4.5 4644 Is how much money she make in a year
The vertex form of a parabola:

You have y². It's not a function. OK. But away, the graph is a parabola but it is horizontal parabola.

Your answer is:
<h3>(x+4) = (y + 1)²</h3>
Bagels 6x12=72
apples 8x9=72
cookies 12x6=72
juice 9x8=72
72/4 kids is 18 lunches