In a line is the locus of points that:

Find the value of the variable and the length of each secant segment.

Can someone me do math because i am having a breakdown rn because 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.