Find the complex zeros of x^3+27. write f in factored form

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Yo need asap pls ! markin da brainiest too !