CAN ANYONE HELP? SEE THE ATTATCHED SCREENSHOT. NOTE: THIS IS TIMED. I NEED AN ANSWER ASAP. ANSWER ALL THREE QUESTIONS, NOT JUST ONE.

Answer:
Step-by-step explanation:
15) Exponential
16) 20x25=500
20 is for all the fish in a year multiplied by 25 years and got 500 fish in the end of 25 years
17)500
i am not fully sure that they are correct but i tried my best and hope they are correct