The dragonfly is the fastest flying insect it can move at a speed of about 50 feet per second find the approximate time for a dragonfly to travel 400ft

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655