STRUCTURE The blue figure is a transformation of the red figure. Use coordinate notation to describe the transformation

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?

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)