Answer:
Step-by-step explanation:4n+3=60
Answer:
hehehe
Step-by-step explanation:
☠️☠️☠️️
Answer:
x=-6
Step-by-step explanation:
7x-9x=6+6
-2x=12
x=-6
Answer:
3rd one is no. the others are all yes
Answer:
Random sampling
Step-by-step explanation:
Random sampling is a method of choosing a sample of observations from a population to make assumptions about the population. It is also called probability sampling.