Which is a zero of the quadratic function f(x)=16^2 +32x-9

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

Is it greater than or less than7*3_9*2

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9