Answer:
Diría unas 225 yardas
La respuesta en la captura. No me permite postear la por supuestamente utilizar lenguaje inapropiado
(4x² + 6) + (2x² + 6x + 3) = 4x² + 6 + 2x² + 6x + 3 = 6x² + 6x + 9
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Answer: 6x² + 6x + 9 (Answer C)
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A lead atom has about 200 times more mass.
Used:
Answer:
both are wrong
Step-by-step explanation:
raj's mistake: he did not multiply -2 by -5a/4
antonia's mistake: she went from -4a/4 to a which is wrong because -4/4 is -1.