Answer:14
Step-by-step explanation:To find the mean first add everything together and that will give you 84 then divide the total amount with the total amount of number which is 6 and your answer is 14.
Step one:20+18+16+15+12+3=84 Step two:find the total amount of numbers which is 6. Step three:divide 84÷6=14
Answer:
8 + 

Step-by-step explanation:
i just wrote
as a decimal
times 2 with
and
times 5 with 
i might be wrong but hope this helps
Plug in each variable.
3(1/3)-4(-1+2)
Simplify
1-4(-1+2)
-3(1)
-3
Answer:
Plot 2 2/5 at the 4th tick mark past 2
Plot 1 7/10 at the 7th tick mark past 1