Noise will be inevitable, which causes errors to the data. what type of noise is difficult to remove from analog and digital signals?

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

The file sales data.xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel.xlsm to find a nice color of gray.)

How do you share someone else’s tweet with your own twitter followers?