Question

please answer my question... I will mark as brainilist​

Answer 1

Answer:

Refer to the attachment

Please mark me as a brainliest

Answer 2

Answer:

158

Step-by-step explanation:

AP → 3,8,13,_ _ _ _ _ , 253

a = 3

d = 5

l = 253

aₙ = a + (n-1)d

⇒ 253 = 3 + (n-1)5

⇒ 5(n-1) = 250

⇒ n = 50 + 1 = 51

a₂₀' = a + (l-n)d

⇒ 3 + (51-20)5

⇒ 3 + 155 = 158

Hope this helps.....