Use a property to write an equivalent expression for the expression below . tell which property you used 7 (3x +8).

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

What is the difference between the predicted value and the actual value

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12