Answer:
Angle D is complementary to angle A
Step-by-step explanation:
Complementary angles sum to 90 degrees.
Since angle is B is 90 degrees, the sum of angles A and D are also 90 degrees to make a straight line with an angle measure of 180 degrees.
Assignment: 
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Answer: 
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Explanation: 
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Note: 
[ Step One ] Multiply Both Sides By 9

[ Step Two ] Simplify

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Answer:
2
Step-by-step explanation:
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Answer:
166
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
Add 4+1=5 then do 5÷5=1