PLEASE HELP ME A researcher posts a newspaper advertisement offering $10 in exchange for participation in a short study. The researcher accepts the first 10 people who respond to the advertisement. Which of the following statements is true about the sample? ) Select one: a. It is not a valid sample because it is only a short study.
b. It is a valid sample because money is offered to participants.
c. It is a valid sample because the first 10 people were selected to participate.
d. It is not a valid sample because it is not a random sample of the population.

50-38=12

step-by-step explanation:

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.

20

step-by-step explanation:

assuming you meant there are 24 pounds of apples in each case, if this is not what you meant, correct me so i can you further