What is the domain of 1/square root of x-1

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

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?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9