Grace: 247 lt
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this year, there are nine freshmen, eight
sophomores, nine juniors, and ten seniors are
eligible to be on a committee.
in how many ways can a dance committee of 8
students be chosen?

29 is the correct answer

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.

the correct answer would be the third option