Explain how to find the greatest integer plotted on a number line

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?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?