Which statements about the value of the digits in the number are true

What is the size of the matrix resulting from

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

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