Question

plz please solve fast​

Answer 1

Here is the answer hope you like it mark it as brainliest pls.

Answer 2

⭐Given:

• a= -3

• d= 7

⭐To Find:

• 21 st term (t21) =?

⭐Solution:

tn=a+(n-1) d..... (formula)

: . t21= -3+(21-1) 7

: . t21=-3+20×7

: . t21=-3+140

: . t21=137

Therefore,

21 st term of an A. P is 137.