Pls will give 70 how do you write a problem as an equivalent expression in standard form? problems like 1+1 or (3.375x - 8.9y) - (-7 5/8x - 5 2/5y)

Which shows the pre image of triangle xyz

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

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?