Supplementary means they add up to 180
X + 54 = 180
180-54= x
X = 126
126+54=180?
Yep
So your answer is
126
Answer:
B, but I may be wrong.
Step-by-step explanation:
Answer:
12 months, so 1 year
Step-by-step explanation:
Answer: 115 - (-30) = 115 + 30 = 145 degrees change
Step-by-step explanation: