Which set of ordered pairs represents a function? please help A\{(-8, 1), (5, -7), (-6, 9), (-6, -9)\}{(−8,1),(5,−7),(−6,9),(−6,−9)}
B\{(-2, -3), (2, 1), (2, 6), (4, 9)\}{(−2,−3),(2,1),(2,6),(4,9)}
C\{(-8, 4), (6, 4), (9, 1), (7, -6)\}{(−8,4),(6,4),(9,1),(7,−6)}
D\{(-4, 5), (0, 0), (2, -8), (2, 0)\}{(−4,5),(0,0),(2,−8),(2,0)}

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay