Given the following set of ordered pairs, determine if it is direct or inverse variation and find the value of k. (2, -10) (4, -20) (7, -35) (8, -40)

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

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