PLS HALP URGENT 1.If the circumference of a circle is 9.1 pi, what is the diameter and radius in terms of pi?
2. If the area of a circle is 196 pi squared, what is the diameter and radius in terms of pi?
ALSO PLS HELP WITH THE REST PICTURES ATTACHED

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

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?

How would you describe the difference between the graphs of f(x) = 2x2 and g(x) = -2x2?