To find the perimeter you have to combine like terms. 8x + 5x - 6x is 7x and 6 - 5 + 12 is 13 so the perimeter of the triangle is 7x + 13
504 because when you multiply 9 by 8 and then by 7 (9x8x7) you get 504.
Answer:
Red is spelled as LSTER
Step-by-step explanation:
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