Sheeeeeeeeeeesh I feel bad for you
Yes due to the fact that additive inverse is the oppsite. so she runs up +4 and runs down -4.
Answer:
B has a smaller initial population of 500
Step-by-step explanation:
Given
See attachment for complete question
Required
The bacteria with the smaller initial population
The initial population is at x = 0
For bacteria A;
when 
For bacteria B, we have:

Substitute 0 for x



So; when x = 0
and 
Because; 500 < 600
We can conclude that B has a smaller initial population of 500
Answer:
The length of the banner would be 11.00 meters.
Step-by-step explanation: