If you are buying at item at a store for a price of $19, and there is a 5.6% tax added on top, what would be the total amount due at the
register, to the nearest cent?

What is this equation in point-slope form?

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?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?