The ratio of boys to girls in the school is 1 to 4. if there are 20 girls, how many boys are there?

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?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2