QUICKK QUESTION!...easy 10 POINTS!!...most CORRECT answer?!?

1. A cone is filled with ice-cream.It also has one scoop of ice-cream on top in shape of a half sphere.The diameter of the sphere is 6cm and the height of the cone is 10cm.Calculate the volume of the ice-cream. 2.A cedar tree is 10ms tall.Its base is 4.0m from a shorter pine tree.The ends of the shadows of both trees coincide to form similar triangles.The shadow of the cedar tree extends 4.0ms from the base of the pine tree.How tall is the pine tree?