Is it possible to drag point A to move the cubic so that it has no roots?

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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?

Rounded to the nearest tenth, what is the value of x