FAST I WILL MARK BRAINLIST Which of the following is not an expression?



A.

x/2+ 4



B.

5 – x



C.

5x – 2 = 13



D.

3x + 1

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 the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Factor the polynomial expression x6 – x3 – 20