Millie makes her own bird food by combining x lb of sunflower seeds and y lb of cracked corn. she can buy sunflower seeds for $0.18/lb and cracked corn for $0.40/lb. she can spend up to $10 on bird food.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never