Which function has only one x-intercept at (-6,0)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

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?