Answer:
Step-by-step explanation:
In this problem, we need to write the factor form of expression 
.
It can be done as follows :
Taking common form the terms as follows :
It can be also written as :
Hence, the factored form of is
Answer:Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
No solution
Step-by-step explanation:
Answer:
thanks for the points here u go
Step-by-step explanation:
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
Answer:
Step-by-step explanation:
