Answer:
30 degrees
Step-by-step explanation:
Let Angle ABC be 2x, Angle EBC be 5x

Answer:
There could be many answers, please be more clearer.
Answer: 4 - 5 = 4 + (-5) = -1
Step-by-step explanation: You have to make the 5 into a negative number using parenthesis and do the math.
They must have the same solution because they are doubled from eachother
Answer:
A
Step-by-step explanation:
The only option with multiplication represented is A.