At our college, 60% of the students are males. if there are 450 females, how many total students attend our college?

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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