-a - 8b
If a = 9 and b = -4, then just plug them into the equation.
-(9) - 8(-4)
-9 + 32
23 would be your answer. Hope this helped!
-TTL
The opportunity cost in this scenario is Mikael's decision to forgo seeing Ouro Preto during his stay in Brazil.
Opportunity cost refers to the decision making process people use in terms of how they spend their time, resources, or money. This term refers to the loss that a person suffers by picking a certain option. In this case, Mikael does not want to cut his food budget. Instead, he picks to skip visiting Ouro Preto. So this represents how Mikael is losing out on seeing this site in order to eat the foods he wants while on vacation.
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If you or someone you know are having visions, you should either talk to a therapist about them or somebody you can trust.
Hope this helped in some way,
-Anime
Answer:
People who could read and write were powerful. ... Sumerians became effective at treating different symptoms and parts of the body.