How would get get the answer 60 if both sides each equal 30? All of the same shape has to equal the same thing. For example all the squares have to equal the same thing. Thanks for your help!

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?

What method did she use to collect data?