Butter dog, dog with the butter on him

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2