Find the Pythagorean Triple (a, b,c) using the terms (x²-1, 2x, x²+1) for x > 0 when x =11.
Put the numbers in numerical order (a, b,c)

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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

New york is the 27th largest state in the united states.what percent of the 50 states in the us are larger than new york