The ancient Egyptians used the stars to . predict annual flooding

make their calendar

harvest their crops

choose their pharaoh

What is the single most important equation in all of physics?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth