I think i am doing this right i am not sure. First you need to add up all the sides (100+38+22+15) it would equal 175 then you need to subtract it from 360 and get the missing value (x) then the answer would be 185
i have attached a file you can see it from there.
Yes. When solving a problem like this, multiply the base numbers normally, and add the exponents together.
If you need more help, comment below and I'd be happy to assist.
3.33333333 as a whole number is 3
The word missing in 12 is fraction and field
the missing word in 14 is dividing