Solve for . Simplify your answer as much as possible. please help

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 do you write something in scientific notation?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319