Work out the following

a.47 b.5 c.8

Step-by-step explanation:

how to get 47.

First do exponents then add the 5 and 2

How to get 5

First add 7 and 8 then you do 5-2 and then divide 15/3 and you get 5

How to get 8

First you do 3*2 then minus 18 which would be 12 then do the bottom 1*1 which is 1 so 5-1 which is 4 so then you do 12-4 which is 8