Find the missing value. Hint: Use the number line to find the missing value.
4-8
A
-15
-10 -5
0
10
5

4 = -8 - x

4 + 8 = -8 + 8 -x

12 = -x

x = -12

So, -12 is the answer.

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the answer

b. they are parallel and will never intersect.

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.