What h i v mean?

How many seconds are in 5 hours 30 minutes? What are the 2 square numbers that have a difference of 12? How many gallons of water in a pipe 140 feet long by 7inch diameter? What is 90 100ths as a percentage? How many centuries are there in 1000 years? What are the ways to make 50p using 1p 2p 5p 10p coins? What is an acre equal to? What new word can be used to form a compound word with piece mind class work? How many days is 93.31 million seconds? How do you kill an adult viscoroid in the First decade? Why have the avenues of exchange they provided been ope only for limited time spans and then blocked for years or decades at a time? When was base ten blocks invented? What percent is 2 out of 29? What is the equivalent form of 3 8? Is 7 a positive integer? If you were born in 1961 how old would you be? What is 45 percent of 1440? How do you write 3.1 million dollars? Is it true that congruent triangles have the same shape? What is the radical of 32?