Solve the system. x 1 minus 2x 2 plus 3x 3 equals negative 5 negative 6x 1 plus 15x 2 minus 25x 3 equals 35 negative 3x 1 plus 12x 2 minus 23x 3 equals 49 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.

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.