A triangle has sides of lengths 12, 14, and 19. Is it a right triangle? Explain.

a. yes; 12^2 + 14^2* ≠ 19^2
b. no; 12^2 + 14^2 = 19^2
c. no; 12^2+ 14^2 ≠ 19^2
d. yes; 12^2 + 14^2 = 19^2

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 of the following contains a variable?

Do, h = (7, 9) (14, 18) the scale factor is