Which of these number lines represents-4+3

Use the distributive law to multiply. 3(4x + 5y + 6)

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.

Could someone with number 1 and 2