Marissa bought 60 horns for her New Year's Eve party for $83.40. She needs to purchase an additional 18 horns for the party at the same unit price how much money will she spend for each horn

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.