At a basketball game, a vender sold a combined total of 165 sodas and hot dogs. the number of sodas sold was 39 more than the number of hot dogs sold. find the number of sodas sold and the number of hot dogs sold.

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

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

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin