The graph of which function has a y-intercept of 3 ?

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

Is the figure congruent? yes or no?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct