Solve the Problem $\mathrm { a } _ { 1 }$

question 31

Multiple Choice

Solve the problem.
-If $\mathrm { a } _ { 1 }$ is $- 10$ and $\mathrm { d }$ is 3 , find $\mathrm { S } _ { 55 }$ .

• A) 3625
• B) 3905
• C) 3834
• D) 3988

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