irrational number, any real number that cannot be expressed as the quotient of two integers.
Any number that can be written as a fraction with integers is called a rational number . For example, 17 and −34 are rational numbers. (Note that there is more than one way to write the same rational number as a ratio of integers.
1st Is rational
2nd one is irrational
3rd is irrational
4th is rational
I would say 35 because if you put in 35 for x you get 39.891
8. 1,728 i did 12×18÷2=108×32=345÷2= 1,728
The answer is 1.2 hope this helped ;)
