Given triangle abc ; a=10; b=4, c=11 find the measurement of angle b

Show me how you find y and z and determine what y and z are you i appreciate it : )

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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?