What is the H.C.F of 12 16 and 18?

Is 810 divisible by any numbers? What is allegorical figures? Why are all sides of a rhombus congruent? What is the scale factor between a square foot and a square inch? Are there any perpendicular sides in hexagon how many are there? When 38.72 is divided by 0.08 the result is? How do you write 4.97 million in standard notation? What is the syllable of called? Would a sinusoidal input to the comparators produce the same transfer curve as a triangle waveform? What is the range between 3817 minus 1428? What happens to the value of the numerical expression when the exponent decreases? Can a triangle have more than two right angles? What is round 2.72 to the nearest dollar? What is smaller a decimals or a whole number? How many digit are there in billion? How to use the force in real life? How many pounds per square inch of pressure are in a NFL football? What is 56000000 scientific notation? The fourth multiple of 10? What two factors determine the point at wich a liquid will boil?