Answer:
A's
Step-by-step explanation:
Mode is defined as the number, or in this case grade, that appears most often in a set of numbers. Seeing as 10 is the most number of a certain grade recieved, the corresponding grade A is the mode.
Answer:
1:8
Explanation:
1.5 (cleaner) to 12 (water)--> simplified is 1:8
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:
-3
Step-by-step explanation:
Slope is equal to (-5-7)/(2-(-2)=-12/4=-3
Answer: hey im not sure, but i think your supposed to solve 7x-6 and 9+12x. Add these two together and times it by 55. Im not syre if this is right but u could try it.
