Question: The equation used to predict how long it will take to receive a package through the mail is =0.5 + 0.02x 1 + 0.85x 2

The equation used to predict how long it will take to receive a package through the mail is =0.5 + 0.02x₁ + 0.85x₂

days, where x₁ is the distance to travel and x₂ is the weight of the package. Use this equation to predict the how long it will take to receive a package that is 85 miles away and weighs 6.7 pounds.

7.9 days

7.3 days

7.4 days

45.9 days

The equation used to predict how long a cold will last is =-1.8 + 0.09x₁ + 3.2x₂- 1.9x₃, where x₁

is person's temperature on the first day, x₂ is number of people seen each day, and x₃ is the amount of sleep the person gets. Use this equation to predict how long a cold will last with a temperature of 100.4 degrees, an average of 6 people seen each day, and 4 hours of sleep.

20.6 days

18.8 days

19.8 days

17.7 days

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