The scatterplot shows that
a) countries that drink more wine generally have higher death rates from heart disease.
b) the amount of wine a country drinks is not related to its heart disease death rate.
c) countries that drink more wine tend to have lower death rates from heart disease.
heart disease deaths is the explanatory variable.
e) country is the explanatory variable.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?