What is the proportional relationship with the table?
x 2 4 6 8
y 1 2 3 4

(o) 1/2
(o) 2
(o) 4
(o) no proportional relationship

The 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) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2