Which unit of measurement would be appropriate for the volume of a sphere with a radius of 2 meters

Draw out the fraction then show how you would subtract 5 1/4

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?

Find an equation for the linear function which has slope -10 and x-intercept -7