17. What is the expanded form of 12.309? A. (1 x 10) + (2 X 1) + (3 x D) + (9 x 100) (B. (1 x 10) + (2 1) + (3 x 7o) + (9x7,000) C. (1 x 10) + (2 1) + (3 x 700 100) + (9x ,000 D. (1 x 10) +(3 x 1) + (3 x 7) + (9 x 7b0)​

Pls never taught i’m really confused and i rlly need

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

For each expression use a property to write an equivalent expression. tell which property you used. ab 5(3x-2)