For a limited time, sammy’s gas station is offering a discount on the cost of gasoline when amounts greater than 5 gallons are purchased. the table below shows the cost for different amounts of gasoline.

which of these could be used to determine c, the cost for purchasing g gallons of gasoline with the discount?

a: c=2.65g
b: c=2.65g-12

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.