Question

GIVING BRAINLEST!!

Answer 1

Answer:

4 worms per week

Explanation:

if 9 worms are born per week and 5 die, 9-5=4

Answer 2

Answer:

2 Worms were added to the population that week

Explanation:

Your equation is 9-10-5+8 =2

You get this because if 9 worms are born they are  coming into the population then you would do -5 because they died and were taken away from the population then move to -10 and this was because they emigrated out of the population and into another then finally you have the +8 because they immigrated into the population