A drawer has 8 socks, 5 are black, 2 are blue and 1 is white. One sock is selected from the drawer and then a second sock is then selected. What is the probability that the pair of socks is: a. P(a black pair):

b. P(white pair):

c. P(a matching pair of socks):

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2