What is congrurency?

How do you write 0.0965 in word form? What are the multiples for 15 and 9? What is the roman numeral for 818? Are letters L and M congruent? What is 5.1111111111 as a fraction? Where will you get images of mathematician aryabhatta? Is 11 over 50 equivalent to 0.22? How many syllables in swatch? What is 63 over 50 as a percentage? Is this legal float f equals 2? How do you write 1 googolplex? How many brothers and sisters does Chloe have? How does a magnehelic differential pressure? What is the quotient law? How many gallons in a 10 inch by 10 inch by 10 inch square? What do the numbers 545 VI on jewelry mean? A picture of weight 25N hangs from a hook by two strings which each makes an angle of 35 with the vertical .What is the tension in each string? What is the fraction for 3.58? How many kinds of stickers are there? How do you round 22.05 to 1 decimal place?