Simplify 3m^-2 / 5n^-3a.3n^3/5m^2b. 1/m^5n^4c.-4/5n^8d.3m^2n^10/2

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

What is the distance between the points (2, 5) and (5,9)?