Kia and leo are selling cookies at a bake sale. if they both sell all their cookies, who will make more money?

What is the slope of the line shown below?

Can someone answer this question? : )

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