Form the intersection for the following sets. r = {10, 15, 20} s = {20, 25} r ∩ s = a.{ } b.{10, 15, 25} c.{20} d.{10, 15, 20, 25}

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