Answer:
The coordinates of the fourth vertex of the rectangle is 
Step-by-step explanation:
Let

using a graphing tool
Plot the vertices of the rectangle
The coordinates of point D will be the intersection point of the line parallel to AC that passes through the point B with the line parallel to AB that passes through the point C
The intersection point is 
see the attached figure
<h2>A thank you note </h2>
To my Aunt Sue,
I am grateful for the money you gave to me for my birthday. I have always known you have a generous heart and you will always have good things in life.
Your niece,
Abe.
<span>-9/10 divided by -6/15
Convert the division sign to multiplication while flipping the fraction -6/15 to -15/6.
-9/10 * -15/6
Multiply the numerator(-9) by the other numerator(-15) while multiplying the denominator(10) by the other denominator(6)
Final Answer: 135/60 or 2.25 or 2 1/4 *All answers are equivalent to each other.</span>
Group like numbers
6-3-4i-2i
3-6i