Answer:
35
Step-by-step explanation:
by adding three to the next number each time, the answer is 35
There are 41.646600000013 grams of barium chloride in 0.200 moles
Answer: 8
Step-by-step explanation:
Given
Mean of the numbers is 8
If the ratio is 1:1:2:2:3:3
Suppose the numbers are 
Write the mean of the numbers

So, the numbers are 
As the total numbers are even, median is the sum of the middle values

Answer:
it is 2/3
Step-by-step explanation:
4 is 16.3, I don't know 5 or 6, 7 is 176, I don't know 8 or 9, 10 is 8.1, I don't know 11, and 12 is 48.
(I used a calculator, lol)