I don’t know how to solve

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

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?