the range of data usage for the primary phone
gigabytes
the range of data usage for the secondary phone
gigabytes
1 the median data usage of the secondary phone
gigabytes greater than the median data
usage of the primary phone.

if x decreases by 4 then y increases by 10

step-by-step explanation:

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step-by-step explanation:

the answer is a if my teacher taught me correct

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4