(-9x²-2x) - (-9x²-3x) = (-9x²-2x) +(9x²+3x) = -9x²-2x+9x²+3x = (-9x²+9x²)+(-2x+3x) = x
Answer:
Your Perimiter is 42
Step-by-step explanation:
Distance from 7,5 to -7,5 is 14
Distance from -7,5 to -7,-2 is 7
Then we double both those numbers as it is a rectangle
2l + 2w = Per...
28 + 14 = 42
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Answer:
its the second 1
Step-by-step explanation:
i had last week and got a 88.87%