<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>
The answer is D, hope this helps!
Answer:
2x+2 times 21cents would equal 4.20. x=9
Do this:
3x² + 7x + 0 -(x² - 2x + 6)
2x² + 9x - 6
2x² + 9x - 6 + x² - 2x + 6 = 3x² + 7x