Diego took a survey to find out how many students plan to go to a school band concert. There are more than 1,000 students in his school. He selected a sample by asking the first 50 students he met at band practice.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

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?