State which 2 lines are parallel:

What is the absolute value of the complex number -4-sqrt2i

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.

Is the number 128.439 a rational number