Astore's cost for a stereo was $27. the markup was 75%. a customer purchased it on sale at 40% off the marked up price. what was the purchase price of the stereo?

steps pls!

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Find the area of the unshaded square

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm