(a) The weight of a package affects the cost to send that package through the mail. Which is the dependent variable?
weight of package
cost to mail package

Twenty percent of what number is 40?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x