If A)18
B)-54
C)-13
D)-18

question 10

Multiple Choice

If $\sum _ { k = 1 } ^ { \infty } a _ { k } = - 4 \text { and } \sum _ { k = 1 } ^ { \infty } b _ { k } = 9 \text {, find } \sum _ { k = 1 } ^ { \infty } \left( 9 a _ { k } - 2 b _ { k } \right)$

• A)18
• B)-54
• C)-13
• D)-18

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Definitions:

Yemeni Culture

The rich and diverse cultural heritage of Yemen, characterized by traditional music, dance, attire, and social norms deeply rooted in its history and Islamic beliefs.

Left Hand

Often used metaphorically to represent skills or tasks that are less dominant or secondary to one's main abilities.

Dry Fruits

Dehydrated fruits with most of the water content removed through drying methods, resulting in a more concentrated flavor and longer shelf life.

High-context Culture

Cultures where communication relies heavily on the context, including non-verbal cues and the shared knowledge, rather than just the words.