1. There are 8 math classes in 7th grade. Seven are equally sized and the 8th class has 32 students. If there are a total of 221 students in the 7th grade, how many are in each of the equally sized math classes. ?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

What is the absolute value of the complex number -4-sqrt2i

Graph the equationy= x+3[tex]y = x + 3[/tex]