What is the simplest form of the ratio 40 : 16? a. 20 : 8 b. 10 : 4c. 5 : 4d. 5 : 2 e. 10 : 8

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

This is different from the first one can someone me

Factor the expression using gcf 9b+45