The volume of a cube is 512 inches to the third power. how long is each side?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?