5. roger sells cars at cheetham auto. last month he sold 9 new cars at an average price of
$17,400 and 11 “pre-owned” cars at an average price of $7,800. what was his sales average per
vehicle last month.
a. $12600
b. $24240
c. $25200
d. $12600
e. $12120

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Can some one me with these questions

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.