1) The measurement is 15.5, the tolerance is 5. Whats the precision, uncertainty, range, nominal value and precent error?

Question

2) The measurement is 14.5, the tolerance is 6. Whats the precision, uncertainty, range, nominal value and percent error?

3) The uncertainty is 15, the nominal value is 625. What's the tolerance, min value, max value and measurement?

please help thank you!!!