Calculate $| \mathbf { A } |$ - $$\begin{array} { l } - 2 x - 9 y + 8 z = - 32 \\7 x + 3 y + 4 z = 101 \\4 x - 9 y - 2 z = - 28\end{array}$$

question 19

Multiple Choice

Calculate $| \mathbf { A } |$
- $$\begin{array} { l } - 2 x - 9 y + 8 z = - 32 \\7 x + 3 y + 4 z = 101 \\4 x - 9 y - 2 z = - 28\end{array}$$

• A) \(( 9 , - 6 , - 5 )\)
• B) \(( 10,4,5 )\)
• C) \(( 9,6,5 )\)
• D) \(( 6,5,6 )\)

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Definitions:

Liquidity

A measure of how easily assets can be converted into cash without losing value.

Obligations

Responsibilities or duties bound by law or contract that one party owes another, including the repayment of debts or fulfilling contractual agreements.

Company

An organization engaged in commercial, industrial, or professional activities, which can be a legal entity separate from its owners.

Cash Equivalents

Short-term, highly liquid investments that are readily convertible to known amounts of cash and have original maturities of three months or less.