What is (8+7 + 3.3) times ( 1/2) ^2

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

Solve the equation x/4 - 5= -8 -27 -12 -7 12

What is the upper quartile in the box plot?