Simplify the expression:

2(1 + 2u) =

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 missing dimension! need asap! tiny square is a =3025 in ²

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14