The numbers of absent days a student had in the last five months are {0, 4, 2, 0, 3}. What is the approximate population variance of this data

How many ordered pairs of positive integers satisfy xy=32?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !