A department store had a policy of giving all senior citizens 10% off of an item when they shop on Tuesday. Grandma Mary shops at the store on Tuesday and purchases a pillow on sale for
20% off.
Write at least one expression to represent the cost of the pillow. Make sure to define the
variable.

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.