13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer:
n=9
Step-by-step explanation:
7n+5=68 Subtract 5 on both sides.
<u>-5 -5</u>
7n=63 Divide both sides by 7.
<u>/7 /7</u>
n=9
Hope this helps! Have a nice day ^^
Let $x be the amount of money which Kelci has raised. <span>Brianna has raised 3 times more money than kelci, then she has raised $3x. Totally both have aised $(x+3x)=$4x.
</span>
Since <span>together they have raised more than $300, then 4x>300,
</span>

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Answer: the <span>inequality </span><span><span>

</span>can be used to determine the amount of money kelci has raised</span>
<span>A.) Ryan conducted a survey where he asked about qualitative data</span>