Rich weighed 320 pounds on June 1st. He lost 3 pounds per week by following a meal plan provided by a doctor for w Weeks write a function for R, Rich's weight. ​

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.