I don't know how to do this can someone help me plz
(QUESTIONS 30,31)

Which graph represents the given linear function 4x+2y=3

Find solution of the linear equation y = 2/3x + 1/3

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.