Answer:
a
Step-by-step explanation:
1.25 times 4 =5, 1 times 5 =5
Answer:
800
Step-by-step explanation:
if you look at the graph and go where t=2 you see that it will have 800 bacteria at two hours
1. -9 need to multiple to both number
-9 X n= -9n -9 X -3 = 21
-9n + 21
2. -10 X 9n = -90n -10 X 3 = -30
-90n - 30 - 8
-90n - 38
Hope that helps

We have to use the formula:

So,

Also, it will be

Hope you could understand.
If you have any query, feel free to ask.