The width of a rectangle is 5 3/4 inches. The length is three times its width. What is the perimeter?

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?

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.