Find the surface area of a sphere with a radius of 30 m. leave your answer in terms of pi @directrix

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

The table represents a linear function. what is the slope of the function? –6 –4 4 6

The measure of angle 0 is 600 degrees