please can you tell me the option for the following questions , wondering if im wrong or right

Which of the following array declarations is NOT wald? Geiect one: a. int at:100) =(5)/ b. int at[12] ={x c. int at [4]={3,2,1} d. int a1|0]; e. int a1] = th. 1. int at [1]=1 With a function lesodar such as: double arerageAraytdouble list[, int NuM) What methodisi isjare used to pass arguments when the functioe is caled? Select ore: 3. pass-by-pointer b. pass-by-pointer and pass-by-refecence c. Eass-by-pointer and pass-by-value d. Eass-by-kalue e. pass-by-federence f. pass-by-feterence and past-by-value