Well since the triangle is split into 2 triangles and they both are the same size so BD on the bottom is 15 which means naturally BC must be 30. Five I'm not sure about
Answer:

Step-by-step explanation:
We want to rewrite the following as a single logarithm:

We introduce logarithm in the first term to get:

Recall that:

We apply this property to get:

This gives:



Answer:
YES ITS MEDIAN!!!
Step-by-step explanation: