The fracture strength of tempered glass averages 14 (measured in thousands of pounds per square inch) and has standard deviation 2.
a what is the probability that the average fracture strength of 100 randomly selected pieces of this glass exceeds 14.5?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.