Can someone tell me what the Range is please? Ty!!

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Fast! find the length of cu. the triangles are similar. show your work.