Answer: arithmetic
Step-by-step explanation:
An arithmetic sequence is when you ADD a number (d) to the previous number to create the next numbers in the sequence.
A geometric sequence is when you MULTIPLY a number (r) to the previos number to create the next numbers in the sequence.
Notice that "a" is added to each term in the sequence.
It is B I hope it helps
D.3 to 1, 3:1, 3/1
How many months older than Ken is Jenny?