Answer: 16
Step-by-step explanation:

Let's complete the square.



Answer:
the correct one is the first option
Step-by-step explanation:
hope I'm helpful to you, please mark me as a brainlist
Answer:
answer is 12
Step-by-step explanation:
if you take 15 and subtract it by 7 that would give you the number of neon tetra fish, then you can add 4 to give you your total number which is 12 :)
Answer:
D
Step-by-step explanation: its a coeficcient because itd a number that has a variable along with it