6th grade math i mark as brainliest

Solving we get

Step-by-step explanation:

We need to solve:

First solving brackets

Now solving 6^2

Now subtracting 8.5 from 36

Now adding the above values

So, solving we get

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64