Use strong induction to show that all dominoes fall in an infinite arrangement of dominoes if you know that the first three dominoes fall, and that when a domino falls, the domino three farther down in the arrangement also falls.

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

In the south during the industrial revolution,

If the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers? less than 1 million greater than 3.5 million between 2 million and 3 million between 3 million and 3.5 million