8(3g-2) ≤ 12(2g+1)
can someone pls explain i don't get it:(

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.

According to the data set, where should the upper quartile line of the box plot be placed?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?