The graph of a sinusoidal function intersects its midline at (0, -7) and then has a minimum point at (pi/4, -9)

Answer this question only if you know the answer! 30 points and

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?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air