The world record for playgoing is held by Dr. H. Howard Hughes of Fort Worth, Texas. He saw 6,136 plays in 31 years. How many plays did Dr. Hughes see in an average year?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

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