On a map 1 cm represents 4.5km. What is the actual distance between two towns which are 4cm apart on the map?

Alake near the arctic circle is covered by a sheet of ice during the cold winter months. when spring arrives, the ice starts to melt. s(t) models the ice sheet's thickness (in meters) as a function of time tt (in weeks). s(t)=-0.25t+4

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.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base