The diameter of the entire cracker is 16 mm ,the diameter of the hole is 8 mm ,and the cracker is 18 mm long .What is the volume of the material used in each cracker ?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

When y’all answer can y’all explain too !