What is the best way to study for a geometry final?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

What is the absolute value of the complex number -4- 2 v14 3.15 14 18