Which classification describes the following system of equations? x-y-z=0
2x-y+2z=1
x-y+z=-2

inconsistent and dependent
consistent and dependent
consistent and independent
inconsistent and independent

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.