You have 3 1/2 yards of fabric. you use 2/3 yard to make a pillow cover and 1/3 yard to make a scarf.

Me because i don't understand how to do it.: )

Suppose a batch of steel rods produced at a steel plant have a mean length of 150 millimeters, and a standard deviation of 12. if 100 rods are sampled at random from the batch, what is the probability that the mean length of the sample rods would differ from the population mean by less than 0.5 millimeters?

Correct answer only ! which graph represents g(x) = (x − 3)^2 - 5?