Answer:
B.15
Step-by-step explanation:
To get from 4 to 12, you multiply by 3. You do the same to 5 to get the missing number. 5x3=15
Answer:
Do it yourself
Step-by-step explanation: Cheating is not a good way, what are you gonna do when you can't cheat?
<span>2, 4, 8, 16, –32, 64, …
Common ratio = 4/2 = 2
16/8 = 2
But -32/16 = -2.
The ratio is not constant, hence it is not a geometric.
D. The sequence is not a geometric sequence.</span>
