According to the text, one of the biggest challenges in online research is the ability to generate a truly random sample that is representative of the target population

A notice of completion should be filed within

a. 20 days after completion of the work of improvement. b. 10 days after completion of the work of improvement. c. 20 days after work stops. d. 10 days after supplies have been received.

The salesperson received $2,800 commission on her 35 percent share of the total commission on the sale of a property that sold for $160,000. What was the commission rate?

A) 10 percent B) 5 percent C) 7 percent D) 4.5 percent