a certain forest covers an area of 3900km^2. suppose that each year this area decreases by 3.5%. what will the area be after 5 years? round to the nearest square kilometer.

2÷6+1/2 to the second power plus one

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.

Find the solution of each of the following.