Describe a situation in which there would be a positive association between two variables.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0