For combining like terms: it is 7z
You would use the long division technique..
Here it looks like:
<span>
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4x − 3 |</span> <span>8x^3 − 22x^2 − 4
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|</span>
|
<span> |
and like that,,,
after you do this, you will get

hope that helps
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Answer:
2n +14 = 30 I can use inverse operations and solve for n.
Step-by-step explanation:
twice means 2 so twice a number,n, means 2 times n thus 2n.
sum means add so, 2n + 14
is means equal so 2n + 14 = 30
If you solve it you will find n = 8
The answer is 3n because the 3 is the coefficient
26 minutes, would = 3.51. if you add .12 to that it is 3.63.
so the most that she could talk would be 26 minutes.