For every two natural numbers p and q to which of the following sets the number
p -q must belong?
1. The set of natural numbers
II. The set of integers
III. The set of rational numbers
IV. The set of real numbers
V. The set of complex numbers

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?