What is -2xn-6?

Is 63.749 higher than 63.72? How many 80 pound bags of concrete mix makes one yard four inches thick? What polygon has 12 congruent sides? What are eight groups of 5? What is 19 in decimal base 10? What is the answer to 46 divided by 419 with long division? How do you write fifty - two hundredths in decimal? How many plot of land are in 1000 hectares of land? Do you read horizontal lines on a map first or vertical when divided into squares? How can you tell when a triangle is a unique triangle? What is the radius of a circle that has a diameter of 16 Cm? Can you make 17 from 3 coins? What is 47 cents in pennies? What is the missing number in this sequence 3 3 6 18--360? If I was born august 1967 when would I graduate high school? What is a number which is a square and a cube? What is the meaning of scramble? 0.35 to a fraction? How many Celsius are in a Fahrenheit? Did Albert Einstein have children with mileva maric?