9(a+b)=9a+__

__ is blank.

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.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

In the diagram, gef and hef are congruent. what is the value of x