A tank is draining water such that the volume is given with an exponentially decreasing graph as shown in the graph below. If the volume was modeled with an equation of the form v=a(b)^1 where t is the number of hours, then which of the following is the best value for b? Answer choices
1)b=20
2)b=0.6
3)b=2.8
4)b=0.3

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

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Me i'm timed right now! there's 4 answer