The table shows the hourly temperatures for a city in Ohio on February 10 2012 as predicted by the weatherman at the local news station at certain times since 10am

Ineed to know the answer to this algebra question.

If value of cos330° is √3/2 then find tan165°.

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?