Now, subs need to understand No Child Left Behind and other factors influencing education, says Thome, a former superintendent who is now assistant superintendent of human resources and technology for the county.
Just one state, Iowa, requires that subs have a teaching certificate, says Smith.
I've had everything from the 18 to 83 range," says Hillsborough County's Training Specialist John Hillick, who developed and now teaches a 10-day training program for subs.
has used both traditional and high-tech recruiting tools to find subs.
iii) iff Every pairwise basic open cover has a finite sub cover.
i])/i [member of] I} is pairwise semi open cover for X and has a finite pairwise semi open sub cover.
i])/i [member of] I} is pairwise semi open cover for Y and has a finite pairwise semi open sub cover.
j]) is said to be (i,j) semi Lindeloff if each (i,j)semi open cover has a countable semi open sub cover and (X, [[tau].