Keelie has a triangular-shaped card. The lengths of its sides are 4.8 cm, 6.4 cm, and 8 cm. Is the card a right triangle? , the card a right triangle.

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?