A peice of aluminum has a volume of 150 cubic centimeters and weighs 405 grams. What's it's density?
A. 4.05g/cm3
B. 2.70g/cm3
C. 3.03g/cm3
D.3.36g/cm3

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55