7 because the first mile will be 3 dollars then if you add the rest of the miles it will be seven because you are adding four more miles
60x=1,000,000
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60 60
X=16,666 2/3 or
X=16,666.6667 it would take approximately 16,667 minutes for the average resting heart to beat 1,000,000 times.
Answer:

Step-by-step explanation:
Let the number be x;
The product of 4 and the number will be;

The the square of the number is given as;

Taking the difference of both expressions above;

Factor out the common term:

Hence the difference between the product of 4 and a number and the square of the number is 
THE ANSWER FOR THIS IS 5^1