For physics, we use half the smallest division of the equipment used.
For chemistry, it should be the same.
The formula for percent error: delta(x)/x * 100% = delta(y)/y
Hope I helped :)


Letting
and
, we have

so the intersection is given by

Answer:
R: (-3, -4)
S: (-3, -1)
T: (1, -4)
Step-by-step explanation:
You would subtract 1 from all the initial x values, and 5 from all the initial y values
Hey!
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Answer:
6 gallons.
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Solution and Explanation:
30 / 4 = 7.5
You can water 7.5 plants with 1 gallon of water.
45 / 7.5 = 6
You can water 45 plants with 6 gallons of water.
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Hope This Helped! Good Luck!
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