Which set of ordered pairs is a function? {(-2,1),(-4, 2), (0, 3), (4,1),(-2,5)}
{(-1,5), (-1,4) (-1,3), (-1, 2), (-1,1)}
{(-6,-4), (-4,-2), (0,0).(-4, 2).(-6,4)}
{(-5,1). (-3, 2), (-1,3), (1,4), (3,5)}

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Find the value of the cosine for angle a

Solve the inequality and graph 6j - 7 < 5