A random survey found that 8 of the 23 people surveyed prefer listening to rock music. Based on those results, about how many people prefer listening to rock music from a population of 115 people?

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

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.

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?