At what point did they give up and decide that the numbers to the right of the decimals would never repeat and never stop?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?