Write a numerical expression for the phrase and simplify it.The difference between seven and negative seven

A. 7 - (-7); 14
B. 7 - 7; 0
C. 7 - (-7); 0
D. -7 - 7; -14


Answer: A

Mathematics

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Convert. Round to the nearest hundredth, when necessary.61 gallons to liters

A. 230.58 liters B. 57.95 liters C. 64.66 liters D. 15.86 liters

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Determine whether the given series converges or diverges, and find the sum if it converges. +  +  +  + ...

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The formula for distance is d=v*t, where v is the object's velocity and t is the time. How long will it take a plane to fly 4000 miles from Chicago to London if the plane flies at a constant rate of 500 mph?

A) 3.5 hours B) 8 hours C) 20 hours D) 45 hours

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