Respuesta :

2.25 - 11j - 7.75 + 1.5j = 0.5j - 1

(2.25 - 7.75) + (-11j + 1.5j) = 0.5j - 1

-5.5 -9.5j = 0.5j - 1

-9.5j -0.5j = -1 + 5.5

-10j = 4.5

j = 4.5/-10

j = -0.45

Answer:

A. j=-0.45

Step-by-step explanation: