The Westside Bakery uses 640 pounds of four to make 1.000 loaves of bread. Each contains the same amount of four How many pounds of four are used in each loaf of bread? For each loaf of bread. pounds of flour are used.

Taking algebra two apex courses and need with these questions

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Can someone me with the property questions for 12 13 and 14 plz