Guys i need help with this question, anybody down?

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?

(05.02)how many triangles can be made if two sides are 4 inches and the angle between them is 90°? 1 , 2, more than 2, or none

Which answer is the solution set to the given inequality |x+7|< 17? a. x e (-24,10) b. x e (-∞, -24) u (10, ∞) c. x e [-24, 10] d. x e (-∞, -24) ∩ (10,∞)