Solve the System by the Substitution Method $$\begin{array} { l } 49 x ^ { 2 } + 64 y ^ { 2 } = 3136 \\8 y + 7 x = 56\end{array}$$

question 10

Multiple Choice

Solve the system by the substitution method.
- $$\begin{array} { l } 49 x ^ { 2 } + 64 y ^ { 2 } = 3136 \\8 y + 7 x = 56\end{array}$$

• A) \(( 0,8 ) , ( 7,0 )\)
• B) \(( 0,7 ) , ( 8,0 )\)
• C) \(( 0 , - 8 ) , ( 0 , - 7 )\)
• D) \(( 0 , - 7 ) , ( - 8,0 )\)

Understand the construction and interpretation of segmented bar graphs for categorical data.

Evaluate associations between two categorical variables using graphical and tabular data representations.

Apply knowledge of contingency tables to describe relationships between two categorical variables.

Analyze data to assess hypotheses or claims made regarding categorical variables.

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Definitions:

Variable Labor

The aspect of labor costs that varies with the level of production or business activity within a given period.

Fixed Capital

Refers to the long-term assets used in production, including buildings, machinery, and equipment, which are not frequently replaced.

Total Variable Cost

The total of expenses that change in proportion to the activity or production level of a business.

Economic Costs

The total cost of choosing one action over another, including both explicit and implicit costs.