A piece of wood is designed in the shape of a cone. a cylindrical hole has a radius of 4cm and depth of 3cm drilled into the base show that the volume of the wood used to produce the shape is 120pi cm3

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.