Which set of ordered pairs represents a function? {(-9,7), (1,7), (-1, -8), (8,3)}
{(-2, -3), (-2,4), (5,-5),(-1,4)}
{(-3,3), (-7, -2), (-7, -9), (-5,6)}
{(9,6), (8,2), (-8,5), (-8,8)}

C and D

Step-by-step explanation:

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.