i think that it is the third one
Answer:
16.31
Step-by-step explanation:
16.31 is your new price
Answer:
11
Step-by-step explanation:
9+9+11+15 = 44
44/4 = 11!
Answer:
Step-by-step explanation:
cube means 3D square.. right?
so for volume we want the height x width x length.. make sense?
since each edge is 9'
the volume is
= 729 
Answer:
$40
Step-by-step explanation:
Divide.
$800 / 20 hrs.
= $40