Eric sees an aircraft in the sky. The aircraft is at a horizontal distance of 25km from Eric. The angle of elevation is 22 degrees.
How high is the aircraft?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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 relationship between all triangles that can be drawn given the same three angles