Theres always 180 degrees in a flat line angle thingy you need answers fast so im not looking up what its called but 180-125=55 and then you 55-1=54 then 54/3=18!!!!!
Answer:
D
Step-by-step explanation:6+6=12
12/2=6
Answer: 21
Step-by-step explanation:
9x7=63
63/3=21
Answer:
54m-36n
Step-by-step explanation:
9·6m= 54m
9·(-4n)= -36n
54m-36n
