620 000 divided by 10 to the 3rd power plz help

Given that abcd is a parallelogram solve for m

What is the missing constant term in the perfect square that starts with x^2 -20x

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