Answer:
We know angle AOC is a right triangle,
therefor
90 - 73 = x
Angle X is 17.
First you had subtract by ten from both sides of equation form.

Then simplify by equation.

Final answer: 
Hope this helps!
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-Charlie
Answer:
the probability is very high 86% > 14%
Step-by-step explanation:
55+20+11= 86%/100% 100-86=14% chance there will not be any rain or lightning
hope this helps!!