Write the 2 digit number that matches the clues. my number has a tens digit that is 8 more than the ones digit. zero is not one of my digits

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?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.