The length of a 1-inch paperclip is about 1.6 x 10-5 miles. It takes about 1.5 x 1010 paperclips linked together to reach the moon. What is approximate distance to the moon?

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

The sum of two numbers is 86, and their difference is 20. find the two numbers

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%