<h2>
<em>Answer</em></h2>
<em>361</em><em>π</em><em>km²</em>
<h2>
<em>Explanation</em></h2>
• the formula to find the area of a circle is A=πr²
<h3> =>
<em>A=π(19km)²</em></h3><h3>
<em>A=π(19km)² => A=361πkm</em>²</h3><h2>
<em>I</em><em> hope</em><em> it</em><em> helps</em><em>!</em><em>!</em></h2>
Let the number be x.
7x-x=42
6x=42
x=7
the number is 7
31.25 miles because I don’t know
Two line with the same slope are parallel, if two parallel lines have a different y-intercept they will never cross each other.
(Any two lines with different slopes will always intersect at some point)
