Henery has 63 blue marbles. If the ratio of the number of his red marbles to the number of his blue marbles is 5:7 if henery has 63 blue marbles how many red marbles does hernery have

Which graph represents the parent function of y=(x+2)(x-2)

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

98 point question what is the record for most points in one