What is the y-intercept? y = -1/3x + 4

A16 ounce bottle of orange juice says it contains 200 milligrams of vitamin c which is 250% uh just read the paper it explains it better

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

Which of the following expressions is equal to 2x^2+8