the endpoints of a line segment are located at (2,-4) and (-3,9) what are the coordinates of the midpoint of the line segment?

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Find the domain of the following expression: 1/(√x)-2