Please help i need to finish this

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

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

A.s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s