Maria practices her drums on all but 6 of the 31 days in January let d be the number of days Maria practices in January which equation could you use to find d?

One integer is 8 times another. if the product is 72, then find the integers

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?

What is the value of f(x) = 2.2 for f(-2)?