Suppose your car has x liters of engine oil in the morning. During the day, some of the oil has leaked, you may have added more oil or both. The oil level in the evening is y liters. What expression will always represent how far the new oil level is from the previous oil level
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Step-by-step explanation:
The net attendance ratio (NAR) is the percentage of the official primary school-age population that attends primary school. The gross attendance ratio (GAR) is the total number of students attending primary school - regardless of age - expressed as a percentage of the official primary school-age population.
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Answer:
The answer is none of the above
Step-by-step explanation:
I did it on Khan Academy.
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