Can someone please help me with math.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

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.

What expression is equivalent to log3(x+4)