What general trends do you notice about the average cost of health insurance premiums for individual and family coverage?

What is the volume of this square pyramid?

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

On a piece of paper graph f(x)=5•(0.4)^x