Serena is watching the sea life in an aquarium. The volume of in the cubic tank is 343 m3. What is the edge length of the cube?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75