Acoin is flipped and a six-sided die is rolled 24 times. the results are given by the table. compare the theoretical and experimental probabilities for the compound event of a flip of heads and a roll of 2?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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

Which of the following parabolas opens down?