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B and D

Step-by-step explanation:

Complementary means they add up to 90 degrees. You can tell it's a 90 degree angle because of the blue square above the "A".

Adjacent angles means that the two angles are next to each other.

Supplementary means they add up to 180 degrees. You can tell it's not a 180 degree angle because of the blue square above the "A".

Vertical angles would require them to be the same degree measure.

50-38=12

step-by-step explanation:

figure c

step-by-step explanation:

hope this .