Carol Wynne bought a silver tray that originally cost $133 and was advertised at 55% off. What was the sale price of the tray?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Find the slope of the line passing through a pair of points

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm