Nora and vera are trying to find difference of 10 - (-3). nora thinks the differences seven vera claims the difference is 13 who is correct explain.

Vera would be correct, the difference is 13. This is because the negative outside the perenthesis will distribute to the -3, making it a positive 3. (Because two negatives make a positive. You then add 10 and 3 and get 13.

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step-by-step explanation:

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54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.