For a certain spinner, if we expect to win a prize four times in sixty tries, what is the theoretical probability of winning a prize?
a) 1/30
b) 1/20
c) 1/15
d) 1/5

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