That sequence is not geometric or arithmetic
it is not changing or doing anything it is just remaining the same.
it would be geometric if it was:
1+1-1+1-1+1........
Answer C. The pattern is that each number in sequence 1 is being doubled to get the number in sequence 2, and 40*2=80
8 is the answer because we all ķnow 3 ×8=24
Answer:
27 years
Step-by-step explanation:
21 × 2 = 42
42 - 15 = 27