The correct answer is: [B]:
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<span> f(x) = (x - 9)(x + 9)(x + 5); x= 9, -9, -5 .
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-4r+5=25 -4r=20 r=-5
typing this to get to 20 characterssss
21 divided by 7 is 3. So he would have ate 3 scopes a day.
Given:
Last month sales = $900
Rate of commission = 20%
To find:
How much commission (in dollars) did she earn last month?
Solution:
We have, 20% rate of commission. So, the commission for the last month is equal to 20% of last month sales $900.



Therefore, the commission for the last month is $180.
Send me a pic of problem please