PLEASE DO A B C

Problem 2: How many times will Hello" be printed? Express that number using summation, then give a closed form formula for the sum (means simple arithmetic expression without summation notation) a) for (i = 1; i s n+n; i++){ for (j = 0; j si; j++)} print "Hello"; print "Hello"; print "Hello"; print "Hello";}} b) for (j = 0; js 2n2+5; j++){ print "Hello";} for (k=0; k s 3n-4n+6; k++){ print Hello";} for (i = 1; i