Which expression is equivalent to 3m+1-m

Somone me i want to know what 18 hours out of 24 hours in a fraction

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.

For what value of (y) is 3^3/3^y =1/9