Respuesta :

Medunno13

Answer:

3/2

Step-by-step explanation:

[tex]2x+3y=21 \\ \\ 3y=-2x+21 \\ \\ y=-\frac{2}{3}x+7[/tex]

The slope of the given line is -2/3, and thus the slope of the perpendicular is 3/2.