Arectangular paperboard 22in long and 14in wide has a semicircle cut out of it. what is the area? provide units in your answer. use 3.14 for pi.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?