ANSWER

EXPLANATION
The given expression is

To find an expression for d in terms of a, b, and c, means we want to make d the subject of the relation.
This means that, we need to isolate d on one side of the equation while all other terms are on the other side.
We subtract from both sides of the equation to obtain,

We now divide through by -1, to get,

Or

The topic is change of subject
Answer:
4????
Step-by-step explanation:
Answer:
1 2 4 8 16 32 64
Step-by-step explanation:
prime factors of 64 is 2 so
2____64
2____32
2____16
2_____8
2_____4
2_____2
1
Check the attached file for the answer.
The polygon is built of 7 triangles (picture).