Answer:
D-70
Step-by-step explanation:
It is a combination C(8,4)
Answer:
Sports players: For people that need high respiratory performance, rises in the pressure may difficult the things, so they would be affected by high pressure because this makes breathing a little bit harder.
Workers in construction and such: People that work a lot with their muscles, in heat environments (road workers, construction workers) may be affected by the same problem as before, and this makes the workers to exhaust in a shorter time than if they worked in a lower pressure environment.
Scientist: A lot of time, some experiments or investigations need a specific pressure to work, so changes in weather pressure may affect investigations, and because the changes are actually uncontrollable, the scientist are really affected by them.
Answer:
60, 75, 90, 105, 120
Step-by-step explanation:
So for this, our equation is gonna be
Firstly, reverse the signs in (x+2) 
Next, change 3x^-4 to 3/x^4, and your answer will be 
