What is 3x3x2x9 divided by 2? 4 times?

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Which of the following expressions is equal to 2x^2+8

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