Fifteen thousand six-hundred and thirty-eight
Answer:

mathematicallly error sentence!
Answer:

Step-by-step explanation:

Answer:
60
Step-by-step explanation:
180-120= 60
a line is 180 degrees and x is congruent to the angle on the right of 120, meaning if you find the missing angle to that angle(the one next to 120) then you'd get the answer. Knowing the line it 180 and 120 is supplementary to x. x=60.
Answer:
It would be -4 + 11 = 7. :D
Step-by-step explanation: