Need help asap It also said round to the nearest tenth

Which of the following is not a subset of {1,2,3}?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8