find an equation of an ellipse that has center (-4,4), a minor axis of length 6, and a vertex at (-4,9)

Do 12/14 and 8/10 have the same value? explain your answer.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

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?