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Find the next three items in the sequence 3,12,21,30
A. 40, 50, 60
B. 38, 46, 54
C. 39, 48, 57
D. 36, 32, 39


Answer :

Answer:

C

Step-by-step explanation:

add 9 to each number to next next number in sequence.

39, 48, and 57