Answer:
B: y= 3(1/3)^x
Step-by-step explanation:
I graphed it on Desmos
May I please ask,Where is the Mathematic problem that I may solve. ;)
Answer:
the perimeter is 87
Step-by-step explanation:
X - the total number of fish in the tank
6/7 of the fish in the tank have red stripes. 18 of the fish have red stripes.

There are 21 fish in the tank.