Which set of ordered pairs does not to represent a function

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

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

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.