Well if it is -20 then A but if it was just 20 it would be C all you have to do is divide
Answer:

Step-by-step explanation:
A) 604.2
B) 609.9
C) 537.42
D) 542.49
Margin of error is 0.783985593816022
Approximately 284 centliters in 3 quarts
Angles 1 and 8 are created by line t intersecting with line m.
Line t is called a transversal line, because it intersects 2 parallel lines.
t divides the straight angle formed by m alone, forming the linear pair of angles (1) and (8), whose sum is 180 °, that is they are supplementary.
Answer: (1) and (8) are linear pairs