The first one would be C and the 2nd is A.
Answer
x=12
Step-by-step explanation:
I thought they would be the same so I would go with B. 85
First multiply (-5/6) and (1/6) to get

then you subtract that from (8/9) to get

final answer is
Answer:
4. supplementary
5. complementary
Step-by-step explanation:
4 is supplementary because the sum of the two angles is 180°.
5 is complementary because the sum of the two angles is 90°.