<span>2/3d2ef5 i believe, hope it helps
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Answer:
<h2>The circumference is multipled by 4.</h2>
Step-by-step explanation:
The formula of an area of a circle"

The formula of a circumference of a circle:

The area multipled by 16:

The radius has increased fourfold, therefore:

The circumference is multipled by 4.
You can calculate the area and check the circumference:

Calculate the radius:
<em>divide both sides by π</em>

Calculate the circumference of both circles:



7,15,19,34 are not multiples of four. to find this answer out just divide four into them.
What is the question marks for?
The First One Answer is
x•(1+xy+x^2y)