Find $\mathbf { u } \times \mathbf { v }$ $$\mathbf { u } = \langle 3 , - 7 , - 1 \rangle , \mathbf { v } = \langle - 9,4 , - 4 \rangle$$

question 77

Multiple Choice

Find $\mathbf { u } \times \mathbf { v }$ .
$$\mathbf { u } = \langle 3 , - 7 , - 1 \rangle , \mathbf { v } = \langle - 9,4 , - 4 \rangle$$

• A) \(\langle 32,21 , - 51 \rangle\)
• B) \(- 51\)
• C) 5
• D) \(\langle 32 , - 21 , - 51 \rangle\)
• E) \(\langle - 27 , - 28,4 \rangle\)

---

Definitions:

Net Sales

The sales income left after subtracting returns, reductions for damaged or missing items, and price discounts.

Sales Revenue

The income received by a company from its sales of goods or the provision of services, before any expenses are subtracted.

Net Sales

The amount of revenue generated from sales activities after returns, allowances, and discounts have been subtracted.

Operating Expenses

Operating expenses are the costs associated with running a business’s core activities on a day-to-day basis, excluding the cost of goods sold.