question 4.30, page 195, from the book Statistical Inference second edition, George Casella and Roger L.

question 4.30, page 195, from the book Statistical Inference second edition, George Casella and Roger L.Berger

Suppose the distribution of Y, conditional on X=x, is n(x,x^2) and that the marginal distribution of X is Uniform(0,1)

a) Find EY, Var Y, and Cov(X,Y)??

please help me in this question with detailed answer.