In which step was the addition property of equality applied?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Why do interests rates on loans to be lower in a weak economy than in a strong one

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.