Alberto has volunteered for a sleep experiment and the researchers are looking at a printout showing albertos brain waves a few minutes ago. The printout shows a pattern of long, slow waves so long that he appears to only have one wave each second Alberto is in

answer; i believe that the correct answer is (75 to 84 years of age)

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35

i think life is life. many could argue that life is ‘nice’ or ‘fun’ but in the end, it is immaterial and will end. nihilism is my philosophy. nothing matters in the end so why make an effort?

can i know what the options are for this question ? ?