Can you simplify 3 over 15?

When the population standard deviation is known the sampling distribution is known as what? What is m to the power of 3 times m to the power of 5? How many 4x8 bricks to fill a 14ft by 9ft? How much is a 1939 dime in dollars? What is the greatest common divisor of 24 36 60 84? What is 127.5 cm converted into feet and inches? 180 days is how many years? How do you do chain rule? How much sq ft is 18 acre? How many times does two go into 870? What is the angle of intersection of all parallels and meridians on the earth? What is area of a circle with a diameter of 14.2 feet? How do you find half of one third? What term describes the part of the script that tells actors how to move around onstage and speak their lines? What is August 22 2009 in roman numerals? What is 46 plus 8 plus 29-7? What is the mean of -10 -5 2 6 17? Round 2.093 to nearest tenth? What triangle has 2 sides the same size and one side different size? How do you use increasingly difficult in a sentence?