The correct answer is C.
Hope this helps.
The answer is: 
The explanation is shown below:
1. To solve this problem you must apply the following proccedure:
2. You have the logarithm expression:

3. First, you must apply the following property:

4. Therefore, you have:

5. By applying logarithm on both sides, you have:

6. By applying the property
:

7. Solve for x:

Answer: 20880 seconds.
Step-by-step explanation:
Answer:
2.5 ft
Step-by-step explanation:
Answer:
Alright all you need to do is simplify the expression
which the Answer is 10x - y + 1/4 have nice day, and Hope this helps :)
Step-by-step explanation:
If you want i can explain with more detail