Notice that you have a difference of cubes:

which can be factored using the rule,

So,

and just to make things look nicer, we can pull out 1/6 from the first factor and 1/36 from the second to get

Answer:
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Step-by-step explanation:
zuzuch bzhzhs bu sizhshsuhsnd uh s gsv sjizhs
<span>The probability that a randomly selected monthly cell phone bill is more than $127 is given by

</span>
Answer:
the answer is x=4
Step-by-step explanation:
5x-4=19
5x=16-4
5x=20
x=4. (dividing both sides by 5)
He is incorrect. When involing cubes, it would be 5*3, it would be 5^3 or 5*5*5. Hope this helps