X will equal 40.
EXPLANATION: since they’re parallel and these are opposite angles, add them together to equal 180.
x+(20)+3x=180.
add common variables.
4x+20=180
subtract 29 from both sides
4x=160
divide each side by 4 so isolate x
x=40
The vertex form:

The axis of symetry is x = h.

We have

Substitute:

<h3>Answer: x = -3</h3>
Answer: i dont understand
Step-by-step explanation:
Answer:
Your answer is.....
Child ticket = 9$
adult ticket =16$
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Step-by-step explanation:
You have to do substitution in both sides e) (-4,2)