Tell me what 5/5+5*5 equals

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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

Solve: 3x+y=6 4x-2y=18 show all work !