3/20 of a number is what percentage of that number?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

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