For the first 7 days of January, the daily low temperatures for Burlington were 20°, 14°, 9°. go-8°, -11°, and -4° Fahrenheit. What was the average daily low temperature, in degrees Fahrenheit, for those 7 days?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.