Answer:
12
Step-by-step explanation:
Ppopp
<h2>○=> <u>Correct option</u> :</h2><h2>

</h2><h3>○=> <u>Steps to derive correct option</u> :</h3>
We know that :

So, let the diameter of this circle be x.
Which means :





Thus, the radius of the circle Robert drew = 6 m
Since the circle in option B has a radius of 6 m, it is the circle Robert drew.
▪︎<em>Therefore, the correct option is (B)</em>
Bottom left
Step-by-step explanation:x is not defined between 0 and 2 (there’s a definition for x<0 and another for x>=2) so there needs to be no y or x values between x =0 and x=2. This is only true for the bottom left
Answer:
D.x = 5
Step-by-step explanation:
5-1 = 4, and 3 to the power of 4 is 81