Which set of ordered pairs is a function?
{(-5,1).(-3,2).(-1,3), (1.4). (3,5)}
{(-6.-4).(-4-2). (0,0).(-42).(-6. 4)}
{(-2.1).(-42). 0,3), (4.1).(-2,5)}
{(-15).(-1,4),(-1,3), (-1,2), (-11)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

Arational number that is equivalent to -20/4?