Answer:
-37
Step-by-step explanation:
It would be greatly appreciated if you gave me brainlest
<span>In order to determine the total number of errors that were made by the bar code scanner, we first have to calculate how many total scans were made. Because there were six items scanned 1,000 times each, there were 6,000 total scans made. Next, we have to add up the total number of errors made by each item (36+14+21+39+11+2). As a result, there were a total of 123 errors made during the 6,000 scans.</span>
Answer: 
Step-by-step explanation:
Move all terms to one side.

Use the Quadratic Formula.
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Answer:
It's C
Step-by-step explanation:
A triangles mesurement has to add up to 180. C is the only one that does.