21 divided by 4,857 with remainder

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?