Does anyone remember how to do this?

List the 10 possible samples (without replacement) of size 3 3 that can be obtained from the population of five officials.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

How many solutions does the nonlinear system of equations graphed bellow have?