Is it easier to sustract when the number are written obove and below each other explain your answer

What is the product? (x2+3y+7) [yy+1)

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

Which of the following will form the composite function?