Identify square root of 2 as either rational or irrational, and approximate to the tenth place

Which expression is equivalent to the expression shown?

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.