Answer: 
Step-by-step explanation:
You need to use the following Properties of Logarithms:

Given the following expression:

You can follow these steps in order to write it as a single logarightm:
- Apply the first property shown above:

- Apply the second property:

- Finally, apply the third property:

Answer:
4.2
Step-by-step explanation:
Because RM and ML are the same, that makes KL and KR congruent. Hope his helps. :)
You have to convert the 30 inches into you know what and add them all together
Answer:
i think it will be #3
Step-by-step explanation: