What is the median of the distribution

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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?