Respuesta :

Answer:

See below ~

Step-by-step explanation:

(a)

  • Original Temp : -7°F
  • Temp change : 15°F
  • ⇒ -7°F + 15°F = 8°F

(b)

  • Temp in Juneau = -28°F
  • Temp in Montreal = -15°F
  • Difference in temp = -28 - (-15)
  • -28 + 15 = -13°F lower

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