Justin needs to make 80 illustrations for an art book. He made 40% of the illustrations. Make a bar model to show his progress. How many illustrations does he still need to make /

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

How is this equation completed? i cannot find any examples in the book.