Wich is the answer of (-1.5 -2.5) + [0.5-(-3)]

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)

What is the value of the expression below? (81^2)^1/8

Which of the following represents the length of a diagonal of this trapezoid?