10/14 = 5/7 in simplest form
70% divided by 25 is 2.8 so add 2.8 to 110 you get 112.8 so 112.8 is your answer hope this helps
12^2 What is it's square root or basically you could divide it so it's 12 to the power of 2 or 12^2
You can work out the percentage on a calculator by doing:
53/100
=0.53
And hen multiplying 0.53 by 12 to get
6.36
I think this is the function