What is nine more than 10 groups of three

The product of two negative rational numbers is always zero sometimes zero never zero

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.

Biggest exam of the which of the following are polynomial functions?