If you live in Topeka, then you live in the capital of Kansas. What is the Biconditional statement for this sentence?

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.

Precalculus question, image attached.

For the inequality |c| < |d| to be true, which of the following must be true?