Answer:
their sizes vary
Step-by-step explanation:
their sizes vary
C!
One dollar = $1
And in a math equation is usually a decimal
56 cents is .56 because it’s not a whole new If you add them together you get $1.56 :) hope it helps
Answer:
5/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
3 times 60 = 180 minutes
10 * 60 = 600 minutes
600/20 = 30 * 3 = 90 hours

where

is the mean. Since


you have variance

and so the standard deiviation is