Which is equivalent to "4 pencils for every 2 students"? 4 students per 2 pencils 2 pencils for every 4 students 4 pencils per 2 students 4 pencils for each student

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.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Express -5 2/5 as an improper fraction.