The temperature at breakfast was −13°F. That evening at dinner the temperature was 43°F. What was the change in temperature between breakfast and dinner?

30°F was the change in the temperature between breakfast and dinner

Step-by-step explanation:

43°F - 13°F = 30°F

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step-by-step explanation:

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