Probability !! There are 5 boys and 4 girls in a class. The teacher randomly selects three different students to answer questions. the first student was a girl. The second a boy. And the third was a girl again.

Is this dependent/ independent and what’s the probability (please give detail so I may show my work)

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

What is the measure of angle 1? a.28 b.152 c.168 d.64

0.75,1.75,2.75,3.75 is arithmetic or geometric?