Which expression is equivalent to (7s - 2t) – (3s - 4st + 7t)? A. 4s – 4st + 5t
B. 4s + 4st + 5t
C. 4s – 4st – 9t
D. 4s + 4st – 9t

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