Well think of it like this. lets say your teacher made you do this problem -48 - 10. I would just act like 48 is not an negative and add 10. After that I would put the negative back. So the answer would be -58. :P
Answer:
Never true
Step-by-step explanation:
Linear angles are adjacent angles whose sum is 180
Answer:
B) 9
Step-by-step explanation:

x = 9
k = 12
cancel out the r on both sides
then divide -144 by -12.
you get 12.