Matlab help please. Stuck and (d)-(f)

(a) Generate an 8 x 7 matrix mat of random integers, each in the inclusive range from-15 to 30. (b) Replace all values in the fourth row of matrix mat with ones. (e) Delete the thind and fith rows from matrix mat (d) Replace all values in the seventh column of matrix mat with their absolute values. (e) Assign to variable maxie the maximum value in the second row of matrix mat. () Assign to variable minie the minimum value in the entire matrix mat