Use the Partial Sum Formula to Find the Partial Sum

question 18

Multiple Choice

Use the partial sum formula to find the partial sum of the given arithmetic sequence.
-Find the sum of the first eight terms of the arithmetic sequence: 10, 15, 20, . . . .

• A) 220
• B) 45
• C) 120
• D) 440

---

Definitions:

Flight Attendant

An airline employee responsible for ensuring the safety, comfort, and care of passengers during flights.

Sexist

Reflecting or promoting the belief that one gender is superior to another, often resulting in discrimination.

Waitress

A female server responsible for taking orders and serving food and beverages to customers at a restaurant or cafe.

Courtesy Title

A title or honorific prefixed to someone's name, used to express politeness, respect, or professional status.