Ethan planted a tree that is 37.5 inches tall. if the tree grows 3 inches each year, how long will it take for the tree to reach a height of 54 inches?

* and solve in an equation form! * show work!

23 points!

Which of the following parabolas opens down?

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?

Asinusoidal function whose frequency is 1/6pi