Answer:
The random sample is D. The other 3 cannot be taken as random since they involve groups at a specific place or doing a specific thing.
Step-by-step explanation:
Answer:
i wanna say 30
Step-by-step explanation:
4x^2-5x=-1
4x^2-5x+1=0
4x+2.24x=1
6.24x=1
x= 0.16025641025641025641025641025641
The answer is C I think try putting that one ok I tried to help so yeah um have a great day
I believe it is 1, but i'm not completely sure.