Respuesta :

kphung76127
For the first pattern, the pattern is add 2, then 3, 4, 5, and so on.
1+2=3, 3+3=6, 6+4=10, 10+5= 15
For the second pattern, you multiply by 3 each time.
1*3=3, 3*3=9, 9*3=27, 27*3= 81
Final answers: 15 for first sequence, 81 for second sequence