Answer:

Step-by-step explanation:
Given expression,

=>
We see that
is common in both numerator and denominator
hence canceling out we get:-

Answer=
Answer:
A gotchu Just took the test got 100
Step-by-step explanation:
B
Mean
: The average of all the data in a set.
Median
: The value in a set which is most close to the middle of a range.
Mode
: The value which occures most frequently in a data set.
12,9,12,11,10,18,7,19,13,19
Mean = 13 (Average)
Median = 12 (Middle)
Mode = 12, 19 (most common)