h=5 in
w-6 in
l=12 in
SA/V=2*12*6+2*6*5+2*12*5/12*6*5
817:180
This is just an example do not use this exact equation and number! Hope it helps. : )

<h2>
Explanation:</h2>
The commutative property of addition states that:

So applying this property to our expression we have:

<h2>Learn more:</h2>
Evaluating expression: brainly.com/question/14423698#
#LearnWithBrainly
Whenever we have a negative exponent, that means that the function should be in the denomenator. then the exponent will be positive.
Example
16^-4 = 1/(16^4)
(7+11) is 18, (8/2) is 4, 18-4 is 14! If this expression is 6 less than her age, she would be 20!