Answer: 90 students
Step-by-step explanation:
I got this question on my test, and the answer was 90
100% verified! :D
Answer is C.
12 servings 9 servings
----------------- = ---------------
2tsp vanilla ? tsp vanilla
Step-by-step explanation:
The algebraic expression for The sum of z and 7 algebraic expression is given as:
z + 7
Answer:
Cluster sample
Step-by-step explanation:
This is an example of a cluster sample. In a cluster sample, the examiner divides the population into groups (each one of these groups is called a cluster) and once the examiner has these clusters, takes one of them and recollects the data from ALL the members of that cluster. In this case, the teacher divided the class in 3 different groups and then selects one of these groups and asks the average amount of time per week he/she spent studying.
