HELP 15 POINTS ASAP

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

Which number completes the inequality? 2/3 < _ < 7/9

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).