Answer:
x = -12
Step-by-step explanation:
y = 2/3x - 3
-11 = 2/3x - 3
-11 + 3 = 2/3x
-8 = 2/3x
-8 ÷ 2/3 = x
-12 = x
Formula to find the central angle is,

Where, s = arc length
r = radius
= central angle in radian.
According to the given problem,
r = 7 and
.
First step is to plug in these values in the above formula. So,

By simplifying.
Since 

s=14.65
Hence, arc length iss 14.65 feet.
Step-by-step explanation:
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48/8 can equal 6. I hope this helps!