Heather walks From her house to the post office to drop off a lighter than she walks to school how many blocks did she walking all

Use the distributive law to multiply. 3(4x + 5y + 6)

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

Are the corresponding angles congruent? explain why or why not.