Answer:

Step-by-step explanation:
We are given that

We have to find the value of given logarithms by using change-base formula
Base-change formula:

Where x=New base
Using the formula then, we get

Substitute the values 
Then,we get


Answer:
2yd is the radius.
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation: Its .5 higher