Which expressions below equal a rational number? choose all that apply.

Labeling the options from 1 to 5, going from top to bottom , to make the answer more easier to type: 4,5

Step-by-step explanation:

1) Not rational

Why: Pi is not a rational number

2)Not Rational

Why: 7/9(the sum of to the equation) goes on forever

3)Not Rational

Why: 5√5 or √125(sum of equation) is not a whole number and goes on forever

4)Rational

Why: (√17+12)-(√17-6) = 18, a rational number

You multiply -1 (subtraction signs always

refer to -1 when there is not other in front of

the parenthesis) to √17-6 in order to get rid of

parenthesis

You add the common variables together

√17+12-√17+6=18

the √17s cancel each other out

5)Rational

Why: √2•√2 is √4 which equals to 2,-2, these are rational whole numbers

the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24. hope this ! mark brainliest! you v much! : )