I need an answer pls! NO links! ill give brainlist

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.

Which of the following transformations will always produce a congruent figure?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok