GUYS PLEASE HELP ME PLEAS PLEASE PLEASE FOR THE LOVE OF GOD

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?