Sharona recorded the number of gray hairs her coworkers have and their ages in the graph below. Which of the following does her data represent?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

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?