What expressions are equivalent to 4^-2 times 7^-2. choose two answers

a. (4 times 7)^-4
b. 1/28^2
c. 7^-2/4^2
d. (4 times 7)^4

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