Ineed can someone me with this

The data set gives the number of bottles filled by each of the workers in a bottling plant in one day. {36, 18, 16, 28, 68, 35, 37, 66, 38, 40, 41, 44, 72, 29} the best measure of center for this data set is the , and its value expressed up to one decimal place is

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.

Solve |x| + 7 < 4. you so much to who ever answers this!