What are the measures of angles 1 and 2? R m21 = m22 = 539 U 1 2. 2 S 470 T

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 answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Need this asap if anyone can i would be very grateful. if you could show workings that would really