Answer:
18
Step-by-step explanation:
2πr=36π ⇒ r= 36π/2π= 18
Answer:
62 m
Step-by-step explanation:
let the height of tower=x
then 
> and = with line through it
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Answer:
y=3x+7
Step-by-step explanation:
y=mx+c
we have (0,7). (x,y)
so y-7/x-0=3
multiply by (x-0) both sides to get
y-7=3x take -7 to the other side of equal sign
it will be: Y=3X+7