Which pairs of numbers are relatively prime? Check all that apply.
O 9 and 15
O 9 and 40
O 9 and 21
O 15 and 21
o 21 and 40
b and e

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