Answer:
Look below
Step-by-step explanation:
Sigma (summation) and Pi (product) notation are used in mathematics to indicate repeated addition or multiplication

Hope this helps
Answer:21
Step-by-step explanation: The median is the number in the middle sorted from least to greatest, here 21 is the middle number.
Answer:
The 24 pack for 24 dollars!
Step-by-step explanation:
This is because you see that 12 is 1/2 of 24 and if you do 13x2 you get 26$ so for the 12 pack if you double it you will be paying 2$ more than if you got the OG 24 pack
1. Out of a study of 64 dentists, 56 recommended.
2. 3 is the answer. Hope you do well on your test :)))