The average age of five employees at a local bank is 38 years old. the age of four out of five employees is 19, 28, 62, and 51 what is the age of the fifth person?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.