Answer:
9.8%
Step-by-step explanation:
Given the following information

Total Number of Students =6+4+5+7+10+9=41
Number of Students aged 19-22 =4
Therefore:
The relative frequency for the class with a lower class limit of 19

4,2
Im pretty sure that’s right
(8)(-4.5) is not equivalent because 8 times -4.5 results in negative value