Answer:
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Step-by-step explanation:


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Answer:
x = 12.1
Step-by-step explanation:
20 − (z + 7) = 0.9
Distribute the minus sign
20 -x -7 = .9
Combine like terms
13 -x = .9
Subtract 13 from each side
-x = -12.1
x = 12.1
First multiply everything inside the brackets by seven
7x^4-42+3
Then solve what you can
7x^4-39
You an't solve it further. Is this what you mean? X to the fourth power?
The maximum length is 5 . The 3 tall takes away from the 8 and then your left with 5.
Answer:
Ummmm no thanks. I am not going there.
Step-by-step explanation: