The perimeter of a square is 64 cm.
Calculate the area of the square.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !