Answer: A. A relation that is a function.
Step-by-step explanation:
A relation is said to be a function if each input value is associated with one unique output value.
Here, Number of miles run by car is directly proportional to the quantity of gasoline.
Independent variable - quantity of gasoline.
Dependent variable - Number of miles
On assuming the condition of car as good, the number of miles a car can run highly depends on the gallons of gasoline in the tank .
As quantity of gasoline increases number of miles driven would also increases.
i.e. Number of miles driven is a function with respect to quantity of gasoline.
Hence, the given line best describe as : A relation that is afunction.
Answer:
A
Step-by-step explanation:
The answer is 0.13
If you have a calculator, its easier because of the decimals
Answer:
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Step-by-step explanation:

Move 5x to left hand side and change it's sign
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Move 3 to right hand side and change it's sign
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Collect like terms
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Subtract 3 from 21
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Divide both sides of the equation by -6
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Calculate
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Hope I helped!
Best regards!!
The answer is 75 . because you have to divide 45 by 3 to get the starter total which was 15 and then multiple 15 by 5 which give you 75 . therefore anna can buy 5 sweatshirts for $75 .