WHO'S FACE CAN I RIDE

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-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