Respuesta :

Answer:  297

Step-by-step explanation:

Based on the 4 terms given in the sequence, we can determine the rule to be: 6n - 3

1s term:  6(1) - 3 = 3

    2nd:  6(2) - 3 = 9

    3rd:   6(3) - 3 = 15

    4th:   6(4) - 3 = 21

            ∴ 50th term = 6(50) - 3 = 297