PLEASE HELP ITS 6TH GRADE MATH EASY BRAINLIEST PROMISED PLS JUST HELP ME

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

What is 20+(5 x 2/5 )+ 3 show your work

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