Marla did 65 sit ups each day for one week used to the distributive propertyto show an expression you can use to find the total
1 answer:
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Its B.
If and
then,
and
because if x were
then you would have division by 0.
Hope this helps.
The answer is A, 
. This is because when plugging in -2 for x, the expression will look like this: 
. To make the exponent positive, you have to flip it into a fraction. Then it will be 
. Lastly, you simplify the denominator into 81.