5 because if its 5/6 ÷ 1/6 it will be 5 because it is not a whole ribbon.
5/6 ÷ 1/6 is = 5 ÷ 1 =5 the answer is 5
I may be wrong but im pretty sure its B and D
D+F=N: n is the variable (the sum).
The irrational number is 7.8. It is irrational because it does not terminate or repeat
