If i have 2 equal rows of marbles with none left, 3 equal rows of marbles with none left and 4 equal rows of marbles with none left how many marbles do i have altogether?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Is it greater than or less than7*3_9*2

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?