C. 20x = 200 because an equation always has an equal sign and other three are expressions because it doesn't have any signs, hoped this helped:)
Answer:
x value is 3
please hear is your answer
Answer:
(B) -8
Step-by-step explanation:
Given the 2-column table below:

Taking the pair (-3,14) and (-1,10)

Taking the pair (1,6) and (4,0)
Slope, 
Since the slope is constant, the table represents a linear function whose slope is -2. Therefore:
Taking the pair (8,y) and (4,0)
Slope, 

Therefore, the value of ? on the y-column is -8.
Answer:
The answer is irrational
Step-by-step explanation: