1.

Stack at Point 1
ret                  0x000
a.r,ref.r  1.0       0x004
a.i,ref.i  2.0       0x008
p0         0x8000    0x00c
b.r        2.0       0x010
b.i        3.0       0x014
c.r        5.0       0x018
c.i        4.0       0x01c
d.r        3.0       0x020
d.i        8.0       0x024
p1                   0x028
this       0x004     0x02c
c2         0x010     0x030
ret                  0x034
result     0x8010    0x038
END

Heap at Point 1
           0.0       0x8000
           0.1       0x8004
           3.0       0x8010
           5.0       0x8014
END

You could also have p2, p3, p4, p5, e.r, and e.i between p1 and this.


Stack at Point 2
ret                  0x000
a.r,ref.r  1.0       0x004
a.i,ref.i  2.0       0x008
p0         0x8000    0x00c
b.r        2.0       0x010
b.i        3.0       0x014
c.r        5.0       0x018
c.i        4.0       0x01c
d.r,c2.r   3.0       0x020
d.i,c2.i   8.0       0x024
p1         0x8010    0x028
p2                   0x02c
this       0x018     0x030
ret                  0x034
result     0x8020    0x038
END

Heap at Point 2
           0.0       0x8000
           0.1       0x8004
           3.0       0x8010
           5.0       0x8014
           2.0       0x8020
          -4.0       0x8024
END

You could also have p3, p4, p5, e.r, and e.i between p2 and this.

2.
0 default constructors, 
1 copy constructors, 
10 other constructors, and
7 destructors. 

Output:
3 + 5i
2 + -4i
2 + 6i
-4 + 7i
-4 + 7i
-4 + 7i

3. 
i1=85000
i2=35000
    return ((double)i1)*((double)i2);

4.
    p4=a.add(b.add(c.add(&d)));

    2 objects cannot be deleted (note that the one pointed to by p4 can be).

5.
One of the following three lines, depending on what X is:
0 + 0i
-1 + 3i
-6 + 10i

6.
process() is 12 lines and process2() is 7 lines (14 and 9 lines respectively is also okay).

7.
I found the most interesting idea to be that students will learn most effectively only in the period of time that is referred to as active learning time.  I find this interesting because it indicates how to approach teaching and studying.