7. The graph below shows the relationship between the number of tickets to a matinee movie bought and the cost.
64
60
56
52
48
44
40
36
32
28
Cost $
7
24
20
16
12
B
4
23.4.5.6.7.8 9 10 11 12 13 14 15 16
Number of Tickets
Based on the information in the graph, what is the unit cost in dollars per ticket?

Which is an equation for the nth terms of the sequence 12,15,18,21

Which is true regarding the graphed function f(x)?

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.