What is the Interquartile range (IQR) or this data set 3,7,8,11,13,15,16

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?