I NEED HELP ASAP Which of these data sets could best be displayed on a dot plot?

721, 722, 722, 723, 724, 724, 724, 725, 727, 728, 730

16, 29, 31, 37, 44, 49, 58, 63, 69, 70, 83, 97

1.3, 1.9, 2.5, 2.7, 2.7, 3.5, 4.8, 5.3, 7.9, 9.0

0.012, 0.078, 0.093, 0.147, 0.187

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?