What is the probability that the first 3 students that
enter a classroom are girls?
write the
probability as a fraction.

I'm so close to finishing all these.

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles