Re-write the quadratic function below in standard form
y= -(x-3)(x+7)
Y=?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.