The product of the slopes is -1.
17.6 because you do the working out backwards :)
Answer:

Step-by-step explanation:
i believe this is the answer but i am not 100% sure
Answer: C) add 5 to both sides
The given equation is
(4/7)x - 5 = -13
To solve this, we follow PEMDAS in reverse undoing each operation. Normally parenthesis is the first thing we look for, but instead we start with subtraction.
So we'll undo subtraction which means we add 5 to both sides