Answer:
2.5
Step-by-step explanation:
The formula to find the midpoint of a line segment: 
<u><em>Where:</em></u>

1) Substitute the values into the midpoint formula.

2) Solve it.
= 
= (2.5, 8.5)
It’s 120.......................
Answer:
1092
Step-by-step explanation:
We have been given that the number of bacteria in the colony t minutes after the initial count modeled by the function
. We are asked to find the average rate of change in the number of bacteria over the first 6 minutes of the experiment.
We will use average rate of change formula to solve our given problem.

Upon substituting our given values, we will get:






Therefore, the average rate of change in the number of bacteria is 1092 bacteria per minute.
Answer:
Angle b = 20
Angle c = 160
Step-by-step explanation:
You know this because angle b corresponds with the other 20 degree angle. A line equals 180 so therefore 180-20 = 160.
I really hope this helped
Answer:
4x(2x - 1)
Step-by-step explanation:
8x² - 4x ← factor out 4x from each term
= 4x(2x - 1)