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:
The answer is 960
Step-by-step explanation:all you would have to do is multiply the lenth times width. 40x24=960
Answer:
A
Step-by-step explanation:
-5 y^ - I5 y=0
-5 y (y +3) =0