How many is 16 and 6?

How many inches is 4 foot 7? Why does a negative divided by a negative give a positive result? What is 5.4 rounded to the nearest tenth? In position vs. time graph what variable does slope represent? What does increments mean? 8 plus 5 plus 6 plus y therefore equals? What is the meaning of this quote having nothing nothing he can lose? If you are thirteen years old what day were you born on? How is geometry used in football? What are the multiples of 3 between 10 and 50 that are divisible by 4? What 3 prime numbers add up to twenty nine? Is chess an abstract noun? What does Pythagoras' theorem involve? What protists grows up to 60 meters long? What is a 3-D figure with 2 edges? What is 4b-15? How many holes are there in a boat? A 10 meter ladder is leaning against a building. The bottom of the ladder is 5 meters from the building. How many meters high is the top of the ladder? What is a quadrilateral that can have four angles a different measure? Where did the negative sign in math come from?