Answer:
Yes
Step-by-step explanation:
15 = 3(5)
15 = 15
You plug in the point
given
n=9
a=1
d=3-1=2
now , by formula,
sn = n/2(2a+(n-1)d)
= 9/2(2×1+(9-1)×2)
=9/2×18
=81
,,,,,, ,,,,,,,, ,,,,,,,,,,,,
,,,,,,,,,! ....,,,,, ..,,,.,,,,,. .......? ........!
.... .... ....!
31 is greater than 28
That is how you read it: 31 is greater than 28
