5(x-9)+10x=11x-45 Does the equation have one solution, no solution or infinite solutions?​

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

Does anyone know how to do geometryme with this problem

What numbers are included in the set of integers? what numbers are not included?