Answer:a
Step-by-step explanation:Bottom line includes the end point so should be less than or equal. Top line does not so should be greater than
8:21 am
7:45 + 15 = 8:00
8:00 + 21 = 8:21 am
Well, since she makes 5 cards in ONE hour, we'll just multiply 5 times 6 to find out the total amount of cards made in 6 hours, which is 30. HOWEVER, we mustn't forget to add the amount of cards BEFORE she began making 5 cards per hour, which is 3, so 30 + 3 = 33. She made 33 cards after 6 hours. c:

So a 30 year old professor would be 2.4 standard deviations less than the mean.
Answer:
18,9,4.5
Step-by-step explanation: