If Vector u=(5,-7) and v=(-11,3), 2v-6u=_ and ||2v-6u||≈_ please pick from the options

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.

Describe a situation that you could represent with the inequality x< 17

Answer asap! urgent! will give brainliest!