A certain forest covers an area of 4300km^2 . Suppose that each year this area decreases by 3.5% . What will the area be after years? Use the calculator provided and round your answer to the nearest square kilometer.

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?