Holly had $5,000 in her bank account. she withdrew $800 to buy a new bike. what is the percent decrease in the balance of her account? the percent decrease is 1.6%. the percent decrease is 16%. the percent decrease is 84%. the percent decrease is 120%.

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.