Mrs. Bailey had 17 pieces of candy. She gave away some candy and has 5 pieces left. What is the percen decrease of candy? Use the ratio:

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?