Which expression is equivalents to 2(3/4n + 8 +1/4n -12)

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Which of the following is equal to the square root of the cube root of 5 ? (1 point) 5 to the power of 1 over 3 5 to the power of 1 over 6 5 to the power of 2 over 3 5 to the power of 3 over 2