Aculture started with 3,000 bacteria. after 5 hours, it grew to 3,900 bacteria. predict how many bacteria will be present after 9 hours. round your answer to the nearest whole number. p=ae^kt

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.