Ronnie is marking short and long necklaces with only one chain and one pendant per necklace. write an expression that shows how much it will cost ronnie to make s short necklaces and n long necklaces. then find the cost for 3 short necklaces 2 long necklaces

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