For any angle on the unit circle between π radians and 32π radians, the cosine value is positive/ negative , and the sine value is positive/negative
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Solve the system of equations. y= 2x y= x^2 - 15

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.

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is