Step-by-step explanation:
(x-9)²
= (x-9)(x-9)
= x²-9x-9x+81
= x²-18x+81
Answer:
18 because 6 times 2 is twelve and 9 times 2 is 18... only if its direcrly proportional which it is
Step-by-step explanation:
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Answer:
Step-by-step explanation:
We have to write 243 as a power of some number.
So, if we factorize 243 we get,
243 = 3 × 3 × 3 × 3 × 3
Therefore, we can write 243 as a power of 3.
No other number can be written in powers of 243 because it do not contain any other factor than 3.
Hence, 243 can be written as :

Answer:
what do you need help with
Step-by-step explanation:
Answer: So if its a sphere the answer its 7238.2.
If its a cylinder the answer is 371.7.
If its a triangular shape the answer is
123.9.