please find the solution of this attached math.

1.a) Find the homogeneity and returns to scale for following production function: Q=x3-2xy+ y3 and Q=0.8Ko.6Lo.6 . b) Find the income elasticity and find all the different cross price elasticity for the following function and comment. Q1=500-P1-0.55P2+0.45P3+0.0085Y. Where P1 =20, P2= 30 and P3 =60 and Y=20000 a=500. c) Suppose marginal revenue R'(Q) =28q-eo.3q find the total revenue TR. d) The probability in minutes of being waited on in a doctor's chamber is given by the fre- quency function f(t)=120to.5What is the probability of being waited on between 1 and 2 minutes. End of document