Answer:
B. 30
Step-by-step explanation:
A line is 180 degrees, so when we have 100, we subtract that from 180 to get the interior angle of 80.
A triangle has a sum of 180, so we just subtract 80 and 70 from 180 to get 30.
Hope this helps
Answer: (2, -2)
Step-by-step explanation:

Answer:
0.64
Step-by-step explanation:
0.64
64% = 0.64 in decimal form.
We cannot see the whole question