Solve the System of Equations $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

question 38

Multiple Choice

Solve the system of equations.
- $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

• A) x = 2, y = -1, z =-9
• B) x = -2, y = -1, z = -9
• C) x = -2, y = -1, z = 9
• D) x = 2, y = -1, z = 9

Understand the distinctive features of various animal phyla, including molluscs, annelids, arthropods, and echinoderms.

Describe the locomotion and circulatory systems of earthworms and other annelids.

Distinguish the body plan features and adaptations of mollusks.

Understand the applications of chitin in marine polychaetes and arthropods.

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Definitions:

Statement of Cash Flows

A financial statement that shows how changes in balance sheet accounts and income affect cash and cash equivalents, breaking the analysis down to operating, investing, and financing activities.

Non-Current Liabilities

Liabilities not due for settlement within 12 months after the reporting period, often including long-term loans, bonds payable, and lease obligations.

Profit After Tax

The net income earned by a company after all taxes have been deducted from total revenue.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value due to use and age.