I'm confused about this one as well. Please help!

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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?