I believe the answer for 17 is C. 18 I am not sure how to do. For 19, however, the answer is B. Hope I help, and sorry I can't answer 18.
Answer:
See answer below
Step-by-step explanation:
Hi there,
The volume of a cube is the edge length cubed:
³
The edge length given is 3 u, so plug into the formula:
³ ³
thanks,
The mode is 85, because it is the most occurring in the data set.
hope that helps :)