2. Tricky Flips sells a coin that promises to land on heads 3 out of every 4 times. If the coin is flipped 20 times, which of the following is the number of times you should expect it to land
on head

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

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