Answer:
-3
Step-by-step explanation:
To find:
The value of '?' in the following expression:

Solution:
First of all, let us have a look at a few rules of the exponents:


Let us apply these rules and try to find out the missing value ('?') in the given expression.
Left Hand Side (LHS):

Now, let us compare the LHS with RHS, we get:

Dividing with
on both sides:

Therefore, the missing value in the expression is <em>-3.</em>
If the perimeter equals 30 and the length is twice the width, then the length is equal to 20 and the width is equal to 10.
Answer:
Your solution is 4.
Step-by-step explanation:
It would be false to have the same sign.
first send the fox alone to the other side then send the corn, the fox wont eat the corn so that should be fine then lastly go with the farmer and the chicken, hope this helps!