Ajar contains 5 blue marbles and 3 red marbles. suppose you choose a marble at random and do not replace it. then choose a second marble. find the probability of the following event. both of the selected marbles are red.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}