I think the answer is c because Bill is surveying every fourth person who enters the mall, which would be the population surveyed. Hope I helped! (Let me know if I got it wrong)
Answer:
7
Step-by-step explanation:
16+5+16+5+16+5
I think it should be something like this
This is the concept of geometry, the function given by f(x)=cos^x
can be written as cos y=x
The domain if the function is [-1,1] and the range is given by [0,π] where π=180°
They had 20:2 point problems. They also had 20:5 point problems.