Jeremy wants to know the density of a rock in grams per cubic centimeter. The rock has a mass of 1.08 kilograms and a
volume of 400 cubic centimeters. What is the density of the rock in grams per cubic centimeter? (g/cm³)
Line k has a slope of -5. Line j is perpendicular to line k, and passes through the point (5,9). Create the equation for line j.