HELP
Which BEST describes the system of equations graphed on the coordinate plane?

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

How many significant figures are there in the number 10.76?

Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?