Question

Answer 1 and 2 questions. 30 points question

Answer 1

Step-by-step explanation:

sum (5)=(5/2)(2a+4d)

2a+4d=12

a+2d=6

we can put any value to d

d=7

then a = 6-14

a=-8

possible sequence is

-8,-1,6,13,20

let d=3

a=6-6=0

Terms are 0,3,6,9,12

their sum is 30

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Answer 2

A communication breakdown occurs when communication is incomprehensible to one party or entirely absent between two people.