Since 1 yard is 3 feet 38 feet is 38/3 yards which is 12 and 2/3 yards
Answer: 
Step-by-step explanation:
For this exercise you need to remember the following Trigonometric Identity:

You must observe the figure given in the exercise.
You can notice that the given triangle UVW is a Right triangle (because it has an angle that measures 90 degrees).
So, you can identify in the figure that:

Knowing these values, you can substitute them into
:

Now you must evaluate:

Finally, rounding to the nearest hundreth, you get:

Answer:
your answer would be
Step-by-step explanation:be (0.6x-0.8y)