What are the general guidelines for a business letters?

Emily spent her summer vacation in buenos aires, argentina, where she got plastic surgery for a fraction of what it would cost in the united states. this is an example of:

3. which of the following occupations relate to a skill category of mathematics and data? select all that apply. (2 correct answers) engineer financial analyst mechanic sales person 4. which of the following occupations relate to a skill category of words and literacy? select all that apply. (2 correct answers) educator lawyer marketing manager psychologist architect

How did the change in textile production affect employment in spinning and weaving for adults and children?