One bag contains three white marbles and five black marbles and a second bag contains four white marbles and six black marbles. a person draws one marble from each bag. find the probability that both marbles are of the same color.

Which equation represents the partial sum of the geometric series?

How do i i solve this equation? -18 = x/3 + 3

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?