Answer:
20.4
Step-by-step explanation:
The better but is 3 for $3.33
12 for $13.32
3.33/3 = 1.11
2.68/2 = 1.34
The better buy is 3 for $3.33
1.11 x 12 = 13.32
1.34 x 12 = 16.08
You answer should be :
-1.6
Hope that helped!
101-9 then you divide it by 4 and im pretty sure you can get the equation from there
D. r=-1 is the correlation coefficient
