What is the length of the arc?
Either enter an exact answer in terms of it or use 3.14 for T and enter your answer as a decimal.
6

5(-9w) put expression in distributive property

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?

What makes a trapezoid an isosceles trapezoid?