Help please like desperately in need of help

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

How do you determine if an ordered pair is a solution to a given equation?