Can anyone answer this

These are very for instance for math pemdas parenthesis, exponents, multiplication, division, addition, subtraction without that i would never be able to remember what to do first with it i can remember.

No, the only way you can mute the notifications is to disable notification sounds in the settings, the settings of your phone of

Answer the important painting of the baptism of the christ, leonardo painted the kneeling angel and some of the background for this;