The national economy shrank in an annual rate of 8% per year for three consecutive years then the economy shrank by 24% over the three year. the economy actually shrank by what percentage over 3 year.

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

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 ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out