About 1.6 miles.
You divide the 4 by 30 to get the distance per minute and multiply it by 12.
Her dance class is 1 hour and 45 minutes long
Hope this helps!
Answer:

Step-by-step explanation:
The equation to solve is:

To get rid of the "square", we need to take square root of both sides:

Then we use algebra to find the value(s) of x. Remember, when we take square root, we have to add up a "+-" (on the right side). Shown below:

So these are 2 answers for x.
The <span>Mean Absolute Deviation of 7,9,6,6 is 1 hope it helps <3</span>