What are all the expressions that equal 3.15 over 0.45?​

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?

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

The table shows the height in feet of several students in miss patel’s class