Answer:
22 cm squared
Step-by-step explanation:
You have two shapes here. Area is base*width.
5 * 2 is 10 cm squared
6 * 2 is 12 cm squared
10 + 12 is 22 cm squared
So you have a total area of 22 cm squared.
Yes it is true but it looks like an expression
Answer:
20 yards
Step-by-step explanation:
You have to take 
of 120, giving you 20.
Answer:it’s a
Step-by-step explanation:I did it before
Answer:
D
Step-by-step explanation:
Mean tells us the average (in this case, total marks/ total number of students).
Standard deviation tells us the spread of a set of data from its mean (how much it deviates from the mean).
Thus, standard deviation can be used to determine the consistency of a data. <u>The smaller the standard deviation, the more consistent the data is</u>.
Since 4S has the smallest standard deviation of 1, it shows the most consistent achievement in the test.
