Between which two numbers is quotient of 87/5? Write the numbers in the boxes. A:40
B:50
C:60
D:70
E:80

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.