Find the Angle Between the Pair of Vectors to the Nearest

question 19

Multiple Choice

Find the angle between the pair of vectors to the nearest tenth of a degree.
- $\langle - 9 , - 1 \rangle , \langle - 8,7 \rangle$

• A) \(23.8 ^ { \circ }\)
• B) \(47.6 ^ { \circ }\)
• C) \(\circ\)
• D) \(57.6 ^ { \circ }\)

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Definitions:

Independent Variable

In research, a variable that is manipulated to determine its causal effect on a dependent variable.

Helping Process

A systematic method of assistance that involves assessing needs, setting goals, and providing support or interventions.

Program Evaluation

The systematic collection of information about the activities, characteristics, and outcomes of programs to make judgments about the program, improve effectiveness, and/or inform decisions about future programming.

Giving Service

This involves providing support, help, or assistance to others, often in a professional context.