Experts plz answer this ;(

2÷6+1/2 to the second power plus one

Why do interests rates on loans to be lower in a weak economy than in a strong one

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.