For this case we must find the roots of the following equation:

We have to:

Where:

Substituting the values:

We have two roots:

Answer:

Answer:
add a screen shot
Step-by-step explanation:
Answer:
9/28
Step-by-step explanation:
3/7 is also 6/14
To find the average, add all the terms then divide by the number of terms
(9/14)/2
Compute
9/28
Answer:
A) The temperature dropped 12 degrees over 3 hours. How much did it change each hour.
Step-by-step explanation:
This is the only one that makes sense. If you were to divide 12 by 3 you would get 4 degrees dropped every hour. The other two answer choices are just complety wrong.