The radius is from center to point on a circle.
So your task is count distance between two points: S(10,6) and A(-3,3).
Distance between two points A(x1, y1) and B(x2, y2) count from this formula:

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Explanation:</h2>
Here we have the following expression:

And the question asks for solving the equation for the variable
. So we need to divide both sides of the equation by
:

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Learn more:</h2>
Solving equations: brainly.com/question/10643312
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Your answer is attached to the pic
Answer:
Step-by-step explanation:
d = dimes and a = quarters
0.10d + 0.25a > = 3 (thats greater then or equal) <===