Answer:
wider
Step-by-step explanation:
Answer:
Following are the solution to the given choices:
Step-by-step explanation:
In point a:
Calculating the variance of the test grade:

In point b:


The relationship between the top 20 students is also slight, so the top 20 students are more university-like than all secondary students.
Answer:
9
Step-by-step explanation:
3*3 =9
Answer:
20x + 20
Step-by-step explanation:
4 ( 2x + 3 ) + 4 ( 3x + 2 )
Take 4 common from both,
4 ( 2x + 3 + 3x + 2 )
= 4 ( 2x + 3x + 3 + 2 )
= 4 ( 5x + 5 )
= 4 ( 5x ) + 4 ( 5 )
= 20x + 20
I don’t understand the question 14=7