Answer:
C
Step-by-step explanation:
mailing a check is the mechanical transport of a physical object representing a monetary amount for payment.
that act itself is not electronic.
at the end in today's times the final act to get the money from Elsa'a account into the account of the utility company will be most certainly electronic, but we don't know (it could still end up in the old fashioned way that somebody from the utility company goes with the check to their bank, cash that check in and then use that cash in some way). and Elsa would not be involved. for her the payment was manual, "mechanical", and not electronic.
Answer:
b. √x<-14
Step-by-step explanation:
square roots are never negative
Answer:
-19 x - 17 y
Step-by-step explanation:
You take out the parenthesis since you can't add them because of the x or y. Then you collect them and start doing the expression, hope it helps
Answer:
-0.08333333333
Step-by-step explanation:
Good luck!
Answer:
See the proof below
Step-by-step explanation:
if 
, then : 
We can then apply the derivative to both sides of this last equation and remember to use the chain rule as we encounter the variable "y":
