I'm guessing 7.71
Step-by-step explanation:
1,079.40/140
I believe equal to two because 5x+7 do 5X to both sides 7÷5 is 1.4
Answer:
d.a cluster sampling
Step-by-step explanation:
This plan exemplifies Cluster sampling. It is a sampling method where populations are placed into different separate groups like here into freshman, sophomore, junior, and senior classes. A random sample of these groups is then selected as here thirty students selected from each group to represent a specific population.<u> It is usually used in that type of research when there is no possible way to find information about a population as a whole.</u>
Answer:
1,2 and 4 are correct.
Step-by-step explanation:
A mineral cannot be a liquid or a gas.