Answer:
dec form: -0.13
Step-by-step explanation:
Answer:
x^2-6x+9
Step-by-step explanation:
(x-3)^2
(x-3)(x-3)
x^2-3x-3x+9
x^2-6x+9
Answer:
A for the first and C for the second
Step-by-step explanation:
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Answer:
4y=9x
Step-by-step explanation:
Answer:
9.8x + 1.1y + 9.9z
Step-by-step explanation:


⇒ 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y
⇒ 9.8x + 1.1y + 9.9z