There are no like terms in 9u^2v because it is all one term and none of the variables are like one another.
1:3 you would pull one black sock every 3 orange socks
Answer:
Question 1
probability of a red marble in the first draw = 1/10
probability of a orange marble in the second draw = 4/9
probability of getting red in first and orange in second (without replacement) = 1/10 * 4/9 = 2/45,
Question 2
6 outcomes
1/6
