Chris sells encyclopedias and earns $45 for each set he sells. how many sets did he sell if he earned $540 last week?

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

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?