For as long distance phone service dale pays a two dollar monthly fee plus $.12 per minute last month sales long distance bill was $19.64 for how many minutes was dale billed

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c

step-by-step explanation:

step-by-step explanation:

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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