Which expressions are in their simplest form? Check all that apply.
One-third + x Superscript 7
x Superscript negative 9 Baseline minus StartFraction 1 Over y EndFraction
StartFraction 1 Over x cubed EndFraction minus StartFraction 1 Over y Superscript 4 EndFraction
x cubed + StartFraction 1 Over y EndFraction minus t Superscript 6
x Superscript negative 5 Baseline minus y Superscript negative 4

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1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

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step-by-step explanation: