The equation of line c is y = 56/23x + 16. The equation of line d is y = -56/23x + 82/86. Are line c and line d parallel, perpendicular, or neither?

The equation of line v is y = 61/92x – 17. The equation of line w is y = 61/92x + 70. Are line v and line w parallel, perpendicular, or neither?

The equation of line q is y = -75/39x – 56/55. Line r is perpendicular to line q. What is the slope of line r?

Line q has a slope of -6/7. Line r is parallel to line q. What is the slope of line r?

The equation of line p is y = 7/4x + 6. Line q is perpendicular to line p. What is the slope of line q?

The equation of line c is y = -4/9x + 3/5. Line d is parallel to line c. What is the slope of line d?

Line c has a slope of -9/4. Line d is perpendicular to c. What is the slope of line d?

Line u passes through (-27, -42) and (23, -36). Lines v and u are parallel. What is the slope of line v?

Line e has a slope of -9/2 and f has a slope of -9/2. Are line e and line f parallel, perpendicular, or neither?

Line q has a slope of -46/71. Line r has a slope of -46/71. Are lines q and r parallel, perpendicular, or neither?

Line r passes through points (91, 39) and (6, -24). Line s is parallel to line r. What is the slope of line s?

The equation of line a is y = 2/5x + 3. The equation of line b is y = -3/2x + 5/8. Are line a and line b parallel, perpendicular, or neither?

Line a passes through (-74, 31) and (-67, 40). Line b passes through (-29, -16) and (-36, -7). Are line a and line b parallel, perpendicular, or neither?