How many doges are in the pound?

What is the sum of the integers from -30 to 50 inclusive? Why if the speed of a car is doubled its braking distance is much more than doubled? How much does 10 pound of 20 pence pieces weigh? Why you do not need a common denominator to multiply? Point of intersection of two sides on an angle of figure? How many zeros in one thousandths of a gram? What equals 249 when multiplied? How many mcg's are in 10 G? 12 percent of what number is 0.3? What is 4.60 is on sale for one -fourth off what is sale price? What is one fourth of one hundred and twenty thousand dollars? Is 5.4 rational or irrational? Is 508 a multiple of 6? Length 14 height 6 width 5? How many dimensions would a shadow of three dimensional object have? What is Sams real number in iCarly? How do you convert 5square kilometer to square meter? How many ten thousands in 1000? How can I Transfer 8 into a binary number? What is the coefficient in this algebraic expression 7d plus 2?