Help pls : ) The function C(s)=0.013s^2 - s - 7 estimates the wind chill temperature C(s) at 0 degrees Fahrenheit for wind spees s from 5 to 30 miles per hour. Estimate the wind chill temperature at 0 degrees F if the wind speed is 20 miles per hour.

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.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

If angle 2=3x +1 and angle 3=2x +4what is angle 2