please answer me fast for my holiday assignment. make you brainest and follow you
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Answer:
1. 119
2. 3x - 4y
3. 20
Step-by-step explanation:
1.y³ + 3x²y² + 3
= 2³ + 3*3²*2² + 3
= 8 + 3*9*4 + 3
= 8 + 108 + 3
= 119
2. (9x - 4y) - (6x + 8y)
= 9x + 4y - 6x - 8y
= 3x - 4y
3. 2x + 3x + 4x = 180°
= 9x = 180
= x = 180/9
= x = 20
mark me as brainliest please
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