How do i solve this math word problem?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*