Answer:
This proportion is valid to represent the problem
Step-by-step explanation:
A proportion is simply a statement that two ratios are equal.
With the data provided for the problem you can say that this proportion is read as "forty miles is to 1 hour as one hundred twenty miles is to three hours."
Answer:sin =perpendicular/hypotenuse
Sin angle is given use tan theta or cos theta to find the RS
See attached
The answer is in the picture below
x = 25
hope this helps