Is there layering of patterns in Kenyatta hill-African

According to the article in wiki answer, digital communication systems have more benefits than analog systems. they are faster and more flexible, and they offer better performance than analog communication

In order for your photographs to be protected by copyright laws, you need to submit a written request. true or false? ?

Find all the zeros of a quadratic polynomial if 2x quad - 9x cube + 5x square + 3x - 1 if two of its zeroes are 2 + root 3 and 2 - root 3