Two similar figures have sides in the ratio of 2: 3. if a side of the smaller triangle has a length of 7, what is the length of the corresponding side of the other triangle?
a.4 2/3
b.10 1/2
c.14
d.21

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