Ok i will give you a hint ok look subtract 18-30 then you will get yhe answef for 8× ok try it
Formula to find circumference is ;

Since the given circumference is 30 pi then,
30 pi = 2 pi radius.
30 = 2 radius
radius = 30/2
radius = 15
The radius is 15 for a circle tha has circumference of 30 pi
The first one is distributive property
I think the 2nd and last are associative
and the last is commutative
Answer:
28
36
40
44
just do the number +1 and ×4
Answer:
(in the image)
Step-by-step explanation:
hope it helps