Step 1.
Calculate measure of angle α:

Step 2.
Calculate what fraction of the angle 360° is the angle α:

Step 3.
Calculate the circumference of the Earth (circle):

Step 4.
The length of arc is equal 1/40 of the circumference:


<h3>Answer: A) 628 miles</h3>
For the first one, it would be 5/3 and 19/3
the second one would be 40
The seller marks up the price by $500, for a grand total of $10,500
so is the question right?
The slope is 5. This is because the coefficient of x is the slope of a line.