Answer:
first option
Step-by-step explanation:
Given
area = 15x - 9 ← factor out 3 from each term
= 3(5x - 3)
Thus the dimensions are 3 by (5x - 3)
4 first rows have 6
5th row has 4
there are 28 computers
Answer: 20. 4, 3, 2, 1...
21. 17....
Step-by-step explanation:
Median: 3
mode: 3
range: 9
interquartile range: 2
the outliers are 9 and 5. there is a cluster between 2 and 3.
2.873 ≈2.9 (nearest tenth)
