in 1846 the depth of the river was 5 feet deep. In 1847 it dropped to 3.9 ft. This year, 1848, a rose to 5.6 feet. Find the percent change in river depth. ​

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.