Is 0.125467 irrational

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers