The Angle Between the Vectors = -2

question 21

Multiple Choice

The angle between the vectors = -2 + 3 and = 4 - 5 is approximately

• A) 5º
• B) 47º
• C) 175º
• D) 15º
• E) 26º

Comprehend the nature and scope of B2B e-commerce.

Identify measures to enhance payment security in e-commerce.

Understand the purpose and function of public key cryptography in secure transactions.

Compare and contrast the functionalities of digital payment services.

---

Definitions:

Regressive Effect

A situation where a policy or economic condition disproportionately impacts lower-income individuals more negatively than those with higher incomes.

Proportional

Proportional refers to a relationship or distribution in which changes in one variable correspond to equal changes in another variable.

Social Security Tax

A tax levied on both employers and employees to fund the Social Security program, which provides retirement, disability, and survivorship benefits.

Payroll Tax

Dues collected from employees or employers, calculated by taking a fraction of the pay employers give to their workers.