Respuesta :

zrh2sfo

Answer:

a:) Integer Sequences

b:) 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, ...

Step-by-step explanation:

anishasafa123
I’m not sure what the answer to a is but b is 21

1 + 2 = 3
3+ 3 = 6
6+ 4 = 10
10+ 5 = 15
15 + 6 = 21

The patter is that the number that is added increases by 1 each time

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