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:
85/100
Step-by-step explanation:
There are only 2 numbers after the decimal point which means that is 0/100. You would get 85/100 and you can't simplify more than that.
Hope This Helps :)
Answer:
y=-1/2x-2
Step-by-step explanation:
Answer:
y = 2.50x + 10
Step-by-step explanation: