Answer:
Maybe its because you give useless answers to get points.
Idiot.
Here's the equation for one year:
0.06(6500) + 6500
But because it is 25 years:
25(0.06(6500)) + 6500
1.5(6500) + 6500
We can make it simpler:
2.5(6500)
The total amount is $16350
f= 77°
d=75°
e=28°
they are vertical angles