Plz answer 1,2, and 3 for 28 points and brainliest ! answer !

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

What is the rate for one gallon of gasoline

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?