En que consiste la proporcionalidad directa

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

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Find the solutions for a triangle with a =16, c =12, and b = 63º