I need an answer to this PLEASE ASAP

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors

Hurry which expression is equivalent to 3√x^5y?