The way i would do it , i would flip the 7 over the equal sign and every time you flip a number over an equal sign that number turns the opposite so in this case, 7 turns to -7 and then you would get -7 + 12, which is 5.
Answer:
Angles B and H= Alt exterior angles
Angles D and C= Adjacent angles
Angles B and F= Corresponding angles
Angles C and E= Alt interior angles
Dependent one:Pulling two cards one after the other,from the same deck of cards
Independent one: Pulling one card,then replacing it and shuffling the deck,then pulling another card.You can also pull 2 cards from different decks
Answer:
I am seeing nothing here it is not clear
Answer:
a. (x-3)(x+1)
b.
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