Anybody need help with science or math

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers