Sarah has a ribbon that is 10 feet long. She has to cut it into 13 equal pieces. How long is each after being cut? a)13/10 feet long
b) 10/130 feet long
c) 130/10 feet long
d)10/13

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