Matt has 5 cookies Addie eats 3. How old is Addie?

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

Can someone answer this question for me