I need number 7 and 8 answered

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.

Find the slope of the line passing through a pair of points

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.