D = S × T
S = D ÷ T
T =D ÷S
sorry thats all i can do
This is the simplest form
.
<h2>Exponent</h2>
Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.
<h3>Simplification</h3>
Simplification is to make something easier to do or understand and to make something less complicated.
Given
is an expression.
<h3>How to make it simple?</h3>

On simplifying, we have

This is the simplest form
.
More about the exponent link is given below.
brainly.com/question/5497425
I'll use subscript notation for brevity, i.e.

3.




By the chain rule,


4.



By the chain rule,



The answer is E because there is 54 crayons and you put 9 crayons in each box so 54 divide 9 = 6