0.001 as a repeating fraction

What is another way to express 36 +32

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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?