92. a recent survey asked students what pets
they have. based on the results, the following
statements are all true:
23 students have dogs.
20 students have cats.
3 students have both dogs and cats.
5 students have no cats or dogs.
how many students were surveyed?
f. 40
g. 42
h. 45
j. 46
k. 51

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

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.

Which value is not a solution of 8x^3 – 1 = 0