Biased because the survey was conducted in a limited field of people aka health club which does not include other people, perhaps an unhealthy club? Or the people who are not a part of the health club? Or people who do not care about their health?
answer x = 225 and y = -135
Step-by-step explanation:
x+y = 90 and x= 90-y and x -y = 360 so 90-y -y = 360
Divide the number of actual pages by 2.
52/2 = 26
She will need 26 sheets of paper.
Hope this helps!
If you mean 2x=40 x=20
but if you mean x^2=40 i think its x=80