find the specified term of each arithmetic sequence pahelp po sana may solution narin po advance thankyou sa sasagot<3

Answer:
23, 77, 99
Step-by-step explanation
1.
an=a1+(n-1)d
a8=2+(8-1)3
=2+(7)3
=2+21
23
2.
a23=-11+(23-1)4
-11+(22)4
-11+88
77
3.
a50=1+(50-1)2
1+(49)2
1+98
99