Ashley's Mp3 player has a setting that allows the songs to play in a random order. She has a playlist containing 10 songs. What is the probability that the Mp3 player will play the first three songs in order?

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.