6 non zero multiples of 12

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture