a piece of a broken plate was dug up in an archaeological site. it was put on top of a grid with the arc of the plate passing through A (7,0), B(1,4) and C (7,2). Find its center and the standard equation of the circle describing the boundary of the plate

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.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.