Pls Answer The Following giving the Volume of The Hemisphere.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

Below are two different functions, f(x) and g(x). what can be determined about their slopes? f(x)= −1x + 1 the function g(x) going through 0, 3 and 1, 1