Answer:
3(6m)+m=18m+m=19m so your answer would be A. 19m
Step-by-step explanation:
x1+x2/2 + y1 +y2/2
= 1 +3/2 + 3+11/2
= (2;7)
Answer: 33 degrees Celsius
22- -11=33
last option.
linear pair
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