Which effect does the repetition of to have in the paragraphs that begin to those, for example?

Why does lewis thomas express concern about what we would say to beings from another planet

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

Itscome to our attention that someone has been taking extra supply out of the supply cabinet for some time now and this is not allowed the officer manager says if this continues to happen we will have to put up security cameras this will come out of the office budget there for our paychecks make sure that you're only using me budget for the for your department