Answer: its 45 if i read it right.
Step-by-step explanation:
When the standard deviation = 0, there is no deviation at all. So the numbers are all the same. And there are seven of them. And the average is nine.
So the sample data set would just be seven 9s.
Answer: Emmet bought 94 more cans of cat food than dog food.
Step-by-step explanation:
In order to make

a mixed number you have to do division.

. Check:

. Therefore,

as a mixed number is

. Hoped I helped. :)