Pedro has a balance of $950 on his credit card. The credit card company charges 17% interest. If he doesn’t make a payment for 3 months, how much will he owe altogether?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

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?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.