Answer: 
Step-by-step explanation:
Observe in the figure given in the exercise that four right triangles are formed.
In this case you can use the following Trigonometric Identity to solve this exercise:
From the figure you can identify that:

Then, you can substitute values:

The next step is to solve for DE in order to find its value. This is:

Finally, rounding the result to the nearest tenth, you get that this is:

Answer:y=5(6)^x
Step-by-step explanation:
The correct and best answer is r=320 because you have to divide both sides by 0.3
Answer:
8x8=16
easy
https://youtu.be/WYNfQabLpuk
Step-by-step explanation:
This is true statement.
have a great day