Ella is 6 years younger than Amanda. Zoe is twice as old as Amanda. The total of their ages is 54. Which equation can be used to find Amanda's age?
A.) x + (x - 6) + 2(x - 6) = 54 B.) x - 6x + (x + 2) = 54 C.) x - 6 + 2x = 54 D.) x + (x - 6) + 2x = 54 E.) 2(x + 6) + (x + 6) + x = 54
(2 - x²)(3x + 1) is equivalent to:
A.) 6x - x² - 3x³ B.) 2 - x² - 3x³ C.) 2 + 6x - 4x² D.) 2 + 6x + x² - 3x³ E.) 2 + 6x - x² - 3x³ |
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