Does anyone know the answer to this question with an explanation? The answer is not D.

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0