The quotient of two numbers is negative. it must be true that neither number is negative one of the numbers is negative both of the numbers are negative

What is the area of triangle abc if a = 8, b = 11, and c = 15?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?