You are making lemonade and use 4 cups of water and 1 cup of lemonade concentrate. what is the percent of lemonade used

Which situation is an example of an observational study?

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2