The table shows the numbers of tickets sold for a concert when different prices are charged. a) Write an equation of a line of fit for the data. b) Does it seem reasonable to use your model to predict the number of tickets sold when the ticket price is $85? Explain.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.