Suppose r = {1, 3, 5, 7, 9, 11, 13, 15, 17} and d = {3, 6, 9, 12, 15, 18, 21, 24, 27}. what is r ∩ d? (

Find the missing part. use an improper fraction for your answer.

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.