If all the diagnols are drawn from a quadrilateral how many triangles are formed?​

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

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

What is the maximum of the sinusoidal function