A yacht P left port and sailed 45 km on a bearing of 290°. Another yacht Q left the same port but sailed for 50km on a bearing of 040°.
a )What was the angle between their directions?
b )How far apart were they at that stage (correct to two decimal places)?

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.