Answer:
b
Step-by-step explanation:
you can take the rectagel and you x the rectagel
The independent variable of an equation is x, or something u can change. in linear equations, for example, it is y=3x+4. and x is the independent variable cause most of the time u will plug in or substitute a number for x.
36 inches because 12,24,36 and 18,36, 36=36