Who held the most power in sparta's government ?

Asocial scientist is interested in determining if there is a significant difference in the proportion of republicans between two areas of town. he takes independent random samples of 200 families in each area of town and a significance test was conducted. the p-value was 0.0156. what should be our conclusions?

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

This refers to weather and atmospheric conditions measured over a long period of time.