Which graph represents a line with a slope of -1/2 and y-intercept equal to that of the line y=2/3x-2

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

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

Write and solve a real word problem that involves determining distance on a coordinate plane