Easy the answer is B: 17 and one-third
To calculate the speed, divide 15.75 by 2.25 and you get 7 mph.
20 in. Because if you divide it by three then multiply it by four you get your answer.
X=5 because you plug in the y into the equation y-x=17
Answer:
First option and Fourth option.
Step-by-step explanation:
To solve this exercise you need to use the following Trigonometric Identity:

In this case you know that:

Since triangle ABC is similar to triangle DEF:

Let's begin with the triangle ABC.
You can identify that:

Then, substituing values, you get:

In triangle DEF, you know that:

So, substituing values, you get:
