Answer:
Step-by-step explanation:

6800 is 6840 rounded to the nearest hundredth.
Answer:
not sure how to really answer this question.
Answer:
k = 0
Step-by-step explanation:
Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 6 from both sides
k² + 6 (-6) = 6 (-6)
k² = 0
Isolate the k. Root both sides
√(k²) = √(0)
k = 0
0 is your answer for k
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Angle 2&4 are corresponding
Angle 4&5 are alternate exterior
Angle 4 is 30 and 7 is 150