
Here's the solution ~
As we know, we can calculate the circumference of a circle in terms of its diameter as :

where, c = circumference and d = diameter
And also, circumference of circle is terms of radius (r) is :

Now, let's move on to questions ~
<h3>First </h3>


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<h3>Second</h3><h3 /><h3 /><h3 /><h3>

</h3>

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<h3>Third</h3>


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<h3>Fourth</h3>



・ .━━━━━━━†━━━━━━━━━.・
<h3>Fifth </h3>



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<h3>Sixth</h3>



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Plugging the values if x and y the last option is correct
3x-y=4
For 36 3 6 13. For 48 4 8 24. I think there are more but I can't think of them
Answer:
It's D (a = 20 because the rate of change is –3.)
Step-by-step explanation:
I did the test and that was the correct answer