Answer:
the second one
Step-by-step explanation:
4y+y = 5y
z+6z = 7z
+8
Answer : option A
To find the range of scores that represents the middle 50 % of the student who took the test , we find inter quartile
Inter quartile range is the middle 50% of the given range of scores.
The difference between the upper quartile and lower quartile is the inter quartile that is middle 50%
From the diagram , we can see that
Upper quartile = 89
lower quartile = 65
So range is 65% to 89%
Yes but I don't know how to explain i wish i could help more sorry
3a, because both terms contain a, and 6 is divisible by 3