Find the mean, median, and interquartile range for the data set below. round to the nearest tenth.27,16,8,5,19,14,22,31,13,5,23 ,16,8

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Ineed with the quizzes in apex mathematics ii