PLEASE HELP IM DOING A TEST Which set of ordered pairs represents a function?
O{(-4,9), (-5,4), (-5, -2), (1, -6)}

O {(2,6), (5, 1), (9,4), (2, -6)}

O {(-7, -8), (0,1),(-3,9), (-4,-8)}

O{(-6,-5),(-3,-4), (6,6), (-3,8)}

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16