Help me solve this :D
Does the set of numbers..

What describes horizontal cross section of the right rectangle 6m 8m 5m

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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