Answer:
you did not even put anything except "HELP PLEASE IM HORRIBLE WILL GIVE BRAIN LIST IF RIGHT"
The circumference should be 37.68 because area= pi *r^2. So if area=pi*36, then the radius must be 6 which makes the diameter 12 and circumference=pi*diameter and 3.14*12= 37.68. So circumference of the circle is 37.68!
$9.75 because one taco is 0.75 and 13 x 0.75 is $9.75