What is the mean absolute deviation of the data set?
[12. 10. 10.8.6. 7. 7. 121
1
2
6
9

step-by-step explanation:

i could only see the first page. the other pages were blurry. ; -;

x hot dogs for 2$, y drinks for 3$. 29 items and total 70

2x+3y=70

x+y=29

if x=17and y=12

2(17)+3(12)=70

34+36=70

ian gonna lie that is way to much

can you rephrase the question ? it is unclear : -)

step-by-step explanation: