What is the half of 31?

Seven less than a number ia 12 what is the number? What is requrided to have on a 12 foot inflatable dinghy? What does it mean when all sides are equal? How do you tell gold's carat weight without a stamp? Did the geometric figure called a kite get its name from the shape kite? Fill in the missing numbers in these sequences-1 1 3 5? What is the answer to 6 multiplied by 15? What is seriograph? What does it mean when something is riddled? The territories of different sizes were called? How do you know boys are lying? What is the fraction for 16.66 percent? How do you write 430 in unit form? How do you write 892 in exponential form? How do you multiply negative exponents outside of a parenthesi? How many feet are there in 50 inches? How many times does 98 go into 565? Where does 7 11 gas come from? What are multiples of 850? What are quadrantral angle?