C. When the total number of laps that Julie and Joe have completed is 16. how many of those laps were Joe's, and how many were Julie's?

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 to do this , and can some one explain

Secant be and cf intersect at point d inside a what is the measure of cde