Solve the System of Equations Using Determinants $$\begin{array} { l } 4 x + y = 15 \\12 x + 3 y = 45\end{array}$$

question 106

Multiple Choice

Solve the system of equations using determinants.
- $$\begin{array} { l } 4 x + y = 15 \\12 x + 3 y = 45\end{array}$$

• A)(0, 15)
• B)(5, -5)
• C)infinite number of solutions
• D)no solution

Calculate percentages related to the lower or upper tails of the normal distribution.

Use z-scores to identify outliers within a dataset.

Interpret the implications of changing mean and/or standard deviation on the distribution of data.

Relate concepts of normal distribution to standardized scores (z-scores) and their applications in testing and assessments.

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