Supplementary means they add up to 180
X + 54 = 180
180-54= x
X = 126
126+54=180?
Yep
So your answer is
126
Answer:

Step-by-step explanation:
Since we cannot factor the expression, we must use quadratic formula: 
Plug in <em>a</em> for 2, <em>b</em> for 3, and <em>c</em> for -7 and you should find your roots.
Answer:
Step-by-step explanation:

Plot the points(0 ,-4) , (5 , -5) and (-5 , -3 ) in the graph and join the points.
Correct answer is B
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