8.8 can be written as the fraction 
Therefor, it is a rational number. Only numbers that cannot be written as a fraction are irrational
Answer: 6.5
Step-by-step explanation:
Since all squares are rhombi, and diagonals of a rhombus intersect at right angles, this means that

Multiply 2/10 by 3/1 and you should end up with 6/10
1. interquartile range
2. all