Step-by-step explanation:
see this bro May this help you
Answer: Self selected sample
Step-by-step explanation:
They people chose themselves
Answer:
ok
Step-by-step explanation:
Answer: 20%
<u>Step-by-step explanation:</u>

= 
=
÷ 
= 
= 20%
Answer:
A:
1. x=6
2. x=4
3. x=2
4. x=1
5. x=-3
B: -2, -3, -4
Step-by-step explanation: