What is the relationship among angle BCD and angle A, and angle B in the figure below?

Find the multiplicative inverse of 8-12i

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)