The answer to your question is negative 52. hope i helped.
Answer:

Step-by-step explanation:
Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

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<u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>
• The sum of n terms of an AP is
• nth term of an AP is given by ,

Answer:
hope it helps you to please mark me brainliest
its B because all the other ones don't make sense for the graph and you just do the slope and it is -3
Answer:
The answer is D.
Step-by-step explanation:
40.5 multiplied by 21 is 850.5