Idon't get how to do the problem that is attached. could someone like break it down in steps for me?
i now know how to do 2 step equations but i am not sure were to start for this 1.
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Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all 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%