The positive integer k has exactly two positive prime factors, 3 and 7. if k has a total of 6 positive factors, including 1 and k, what is the value of k ?

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?

Who long does it take to drive 150 miles at 45 miles per hour

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me