Through any two points, there exists one and only one line. t/f

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?