Answer: 6
Step-by-step explanation: Because it is 6
Answer:
Step-by-step explanation:
Use a² - b² = (a + b)(a - b)
144² - 121² = (144 + 121)(144 - 121)
63
2x+54=180
2x=180-54
2x=126
divide each side by two u will get x
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ok i help you 11.28-99 is