Solve the equation and check the solution. a minus 2 and one-half = 1 and one-half

A. a = 1
B. a = 3 and one-half
C. a = 4
D. a = 4 and one-half

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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.

I’m stuck on this equation, anyone got the answer?