Answer:
go to apps and if you seen app that has no like picture on the side is just clear trying to hide a self delete it
Answer:
area = 2.14 * 3 ** 2
Explanation:
No clue what language you use but this should be pretty universal. To find the area of a circle you use pi(r) ^ 2 or pi times radius squared

In python it looks like this:
>>> area = 3.14 * 3 ** 2
>>> print(area)
28.26<em> <Printed text</em>
Answer:
It's "The bottom left corner"
Explanation:
1100110-101101 = 111001 = 57
1) back up your data
2) delete any personal information
3) clear cookies, browsing data, and saved passwords
4) restore any settings you may have changed to original settings