Answer:
-x • (81x3y4 + 343x2y2 - 7938x - 3969y2)
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441
Answer: 5-2.1= 2.9
5-2.17= 2.83
5-2 7/8= 2.125
b. 2x+6y≤120
Step-by-step explanation:
parallel lines
parallel lines are lines that do not meet each other
Hii :))
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