Rearrange the first system to get x = -3y + 14. Substitute that into the other system.

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Answer
B
Step-by-step explanation:
Is the answer !
You are going to get the rate of the detects.
6 detects ÷ 114 light bulbs = 1/19 detects per light bulb
If there are 720 light bulbs, then the number of detects will be
720 light bulbs * 1/19 detects per light bulb = 37. 89 ≈ 38 detects
This is true. The sum of interior angles always add up to 180<span>°.
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