CAN ANYONE ANSWER THIS?? WILL MARK BRAINLIEST!!

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

What percent of 18 is 24? and plz explain thx.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle