If a 2i and b = -3 + 4i, then find the value of the a^2b in fully simplified form.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Find the distance between the pair of points a(-1,8) and b(-8,4)

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.