Producing architectural drawings such as building plans

Awell-diversified portfolio needs about 20-25 stocks from different categories is this true or false?

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

Given int variables k and total that have already been declared, use a while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total. thus your code should put 11 + 22 + 33 + + 4949 + 50*50 into total. use no variables other than k and total.