What is the radius of the cone? the height is 12 an the volume is 16 pie cubed
A.1 cm

B.2 cm

C.4 cm

D.8 cm

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Extra points! find the missing dimension! need asap