Which of the following statements is true?

a. pi = 22/7
b. pi = 355/13
c. pi is the ratio of a circles circumference to its diameter
d. pi is the ratio to a circle diameter to its circumference
e. pi is a terminating recurring decimal

41/17 as a decimal rounded to the nearest hundredth

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

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?