What is the domain of 35d-390

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup