Someone help me please

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

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

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form