I need help in these questions. Please do them correctly and 100%. I have only 30 minutes. please do them correctly

Question 19 Which of the following includes the knowledge, skills, abilities, and other characteristics that an individual must have to perform a job? O a. job specification O b. job tasks O c. job evaluation O d.job standardization Question 20 The O a. 3/5 ths O b. undue hardship O c. quid pro quo O d. 4/5 ths rule is the criterion used to determine if adverse impact exists. uestion 21 According to the resource-based view of the organization, a unique capability that creates high value and that differentiates an organization from its competitors is referred to as: O a. a core competency. O b. the organizational culture. O c. a strategic advantage. O d. a differentiated function. Question 22 is a quantitative HR forecasting method that involves making a comparison of past relationships among various factors. O a. The Delphi technique O b. The rule of thumb method O c. Ratio analysis O d. Statistical regression analysis