Please help explanation if possible

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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.