Question

9, 105,12, 13.5 whats the pattern

Answer 1

that looks like a unique pattern
we don't have a common difference or a common ratio

Answer 2

what kinda patterns have you been looking at

Answer 3

in class

Answer 4

9, 10.5,12, 13.5

you missed decimal point in 10.5

Answer 5

the next number is 15.
9, 10.5, 12, 13.5, 15.

Answer 6

This forms an Arithmatic Sequence

Answer 7

whole number + 3, rational number + 3

Answer 8

I would have never guess the 105 was suppose to be 10.5
and that case yeah it is an arithmetic sequence

Answer 9

with common difference 1.5.

To find the rest of the series, just go on adding 1.5 to each term