Plug 129 for x
(-12 x 129)+(14 x 129)-(6 x 129)
Which would be -1548+1806-774
Which equals -516
Answer: The answer would be the 5, out of 350,462.
Number 2 is 100 cm
number 3 the height is equal to 5
NUMBER 4 b is equal to 13
You can solve this by using 8!
when you put this through a calculator, you'll get 40320.
Therefore, eight boxes can be arranged in 40,320 different ways on a shelf.
Hope that helps :)
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