Plz help! Pythagorean Theorem Pythagorean Theorem

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

Can someone me i’m confused. will give brainliest and a whole bunch of points

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18