Which numbers are the perfect cubes 3,64,81,125,999,3000

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?

When is g(x) = 0 for the function g(x) = 5.23x + 4?