The answer would be D
-1 3/7=-10/7
-3 2/3=-11/3
-10/7 x -11/3=110/21
110/21=5 5/21
A negative times a negative =a positive
If your question is to write it in scientific notation, it's 10^4 and the exponent is 4
The correct answer is 74 because 3*26=78 and 78-4=74
We have the following expression given:

We can start selecting as common factor 4y^2 and we got:

Now we can select y+7 as common factor and we got:

So then our final answer would be:
Dang that’s hard , hope somebody helps you.